CIS/STA 3920 - Data Mining for Business Analytics with R

HW1
Instructor: @ Charlie Terng
Student: @ Xukun LIU
lecture1 notes and HW1 solution

0-setup and preview the raw data

getwd()
## [1] "/Users/liuxukun/Google Driver/2018Spring/CIS3920/Assignments/HW1/data"
#setwd("/Users/liuxukun/Google Driver/2018Spring/CIS3920/Assignments/HW1/data")
#getwd()

preview_data = read.csv("2004.csv", header = TRUE, sep = ",")
preview_data[1:3,]
##   X.1 X         id  sale   rating units      industry  product     country
## 1   1 1 3319288385 10030 4.608166    71          tech Series A Switzerland
## 2   2 2 3319288377  5499 4.007151    62 environmental Series A Switzerland
## 3   3 3 8132227255 32650 5.788430   368          tech Series C       India
##   return.client contract primary secondary deci5 aux tsee c1550 c1551
## 1             0        0       0         0     1   0    0     0     0
## 2             0        0       0         1     0   1    1     0     1
## 3             0        0       1         0     1   0    1     0     0
##   c1553 c1554 c1556 c1552 c15512 c1542 c1558 c1557 c1559 c15511 c15513
## 1     0     1     1     0      0     1     1     0     1      1      1
## 2     1     1     1     1      1     1     1     0     1      1      0
## 3     1     0     1     1      1     1     1     1     1      1      0
##   c15514 c15515
## 1      1      0
## 2      0      1
## 3      1      0
nrow(preview_data)
## [1] 225
ncol(preview_data)
## [1] 31
preview_data[1:10,1:3]
##    X.1  X         id
## 1    1  1 3319288385
## 2    2  2 3319288377
## 3    3  3 8132227255
## 4    4  4 8132227239
## 5    5  5  128048425
## 6    6  6  128046910
## 7    7  7  128052198
## 8    8  8 3319225189
## 9    9  9 3319225219
## 10  10 10  128051795

1-Combining Datasets

1-Combining Datasets

my_data = NULL
temp_data<-data.frame()

for (year in 2004:2016) # 2004.csv
{
  filename = paste(year, ".csv", sep = "", collapse = NULL)
  print(filename)
  
  temp_data = read.csv(filename, header = TRUE)
  features = c("id","sale","units","rating","product", "industry","country","return.client","year")
  temp_data$year = year #create and assgin col "year"
  temp_data = temp_data[,features] 
  
  if(is.null(my_data))
  {#print(is.null(my_data))
    my_data = temp_data}
  else
  {print(is.null(my_data))
    my_data = rbind(my_data,temp_data)}
}
## [1] "2004.csv"
## [1] "2005.csv"
## [1] FALSE
## [1] "2006.csv"
## [1] FALSE
## [1] "2007.csv"
## [1] FALSE
## [1] "2008.csv"
## [1] FALSE
## [1] "2009.csv"
## [1] FALSE
## [1] "2010.csv"
## [1] FALSE
## [1] "2011.csv"
## [1] FALSE
## [1] "2012.csv"
## [1] FALSE
## [1] "2013.csv"
## [1] FALSE
## [1] "2014.csv"
## [1] FALSE
## [1] "2015.csv"
## [1] FALSE
## [1] "2016.csv"
## [1] FALSE
my_data[1:10,]
##            id  sale units   rating    product      industry        country
## 1  3319288385 10030    71 4.608166   Series A          tech    Switzerland
## 2  3319288377  5499    62 4.007151   Series A environmental    Switzerland
## 3  8132227255 32650   368 5.788430   Series C          tech          India
## 4  8132227239 17900   368 5.187386   Series C       biotech          India
## 5   128048425 27792   232 5.627333 Series A13          tech United Kingdom
## 6   128046910 19300   232 5.262690   Series A       biotech United Kingdom
## 7   128052198 20448   194 5.320470   Series A          tech  United States
## 8  3319225189 32650   707 5.788430   Series C          tech    Switzerland
## 9  3319225219 32650   656 5.788430   Series C          tech    Switzerland
## 10  128051795 22032   534 5.395081   Series A          tech  United States
##    return.client year
## 1              0 2004
## 2              0 2004
## 3              0 2004
## 4              0 2004
## 5              0 2004
## 6              0 2004
## 7              1 2004
## 8              0 2004
## 9              0 2004
## 10             1 2004

2-Examing the Dataset

dim(my_data) #7739-obervation / 9 varibales
## [1] 7739    9
str(my_data)
## 'data.frame':    7739 obs. of  9 variables:
##  $ id           : Factor w/ 7225 levels "012801847X","012803436X",..: 135 134 187 186 35 34 38 122 123 36 ...
##  $ sale         : int  10030 5499 32650 17900 27792 19300 20448 32650 32650 22032 ...
##  $ units        : int  71 62 368 368 232 232 194 707 656 534 ...
##  $ rating       : num  4.61 4.01 5.79 5.19 5.63 ...
##  $ product      : Factor w/ 7 levels "Delta","Series A",..: 2 2 7 7 3 2 2 7 7 2 ...
##  $ industry     : Factor w/ 4 levels "biotech","environmental",..: 3 2 3 1 3 1 3 3 3 3 ...
##  $ country      : Factor w/ 27 levels "Australia","Canada",..: 10 10 5 5 11 11 12 10 10 12 ...
##  $ return.client: int  0 0 0 0 0 0 1 0 0 1 ...
##  $ year         : int  2004 2004 2004 2004 2004 2004 2004 2004 2004 2004 ...
class(my_data$id)
## [1] "factor"
levels(my_data$product)
## [1] "Delta"      "Series A"   "Series A13" "Series A2"  "Series B"  
## [6] "Series B55" "Series C"
length(levels(my_data$product))
## [1] 7

3.1-Handing missing values

my_length = length(my_data$id)
my_length
## [1] 7739
names(my_data)
## [1] "id"            "sale"          "units"         "rating"       
## [5] "product"       "industry"      "country"       "return.client"
## [9] "year"
variables = names(my_data)
variables
## [1] "id"            "sale"          "units"         "rating"       
## [5] "product"       "industry"      "country"       "return.client"
## [9] "year"
class(variables)
## [1] "character"
count_num = vector(mode="integer", length = length(variables))
count_num
## [1] 0 0 0 0 0 0 0 0 0
count_na = data.frame(variables,count_num)
count_na
##       variables count_num
## 1            id         0
## 2          sale         0
## 3         units         0
## 4        rating         0
## 5       product         0
## 6      industry         0
## 7       country         0
## 8 return.client         0
## 9          year         0
names(count_na)
## [1] "variables" "count_num"
str(count_na)
## 'data.frame':    9 obs. of  2 variables:
##  $ variables: Factor w/ 9 levels "country","id",..: 2 7 8 5 4 3 1 6 9
##  $ count_num: int  0 0 0 0 0 0 0 0 0
for (m in 1:my_length) {
  for (n in 1:length(variables))  # length(variables) V.S variables
    {
    if(is.na(my_data[m,n])){
      count_na[n,"count_num"] = count_na[n,"count_num"] + 1}
    }
}

count_na
##       variables count_num
## 1            id         0
## 2          sale         0
## 3         units         2
## 4        rating         0
## 5       product         4
## 6      industry         0
## 7       country         0
## 8 return.client         0
## 9          year         0
plot(count_na,xlab="Vars",ylab="Missing",main="NA count")

3.2

class(my_data$product)
## [1] "factor"
my_data$product=as.character(my_data$product)
class(my_data$product)
## [1] "character"
my_data$product[is.na(my_data$product)]="Delta"

3.3

class(my_data$industry)
## [1] "factor"
my_data$industry = as.character(my_data$industry)
class(my_data$industry)
## [1] "character"
my_data$industry[my_data$industry=="999"]=NA
my_data$industry[is.na(my_data$industry)]
##    [1] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##   [24] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##   [47] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##   [70] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##   [93] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [116] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [139] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [162] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [185] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [208] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [231] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [254] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [277] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [300] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [323] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [346] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
##  [369] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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##  [484] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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##  [530] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [1128] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1151] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [1657] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1680] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1703] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1726] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1749] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1772] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [1818] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1841] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1864] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1887] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [1933] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1956] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [1979] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2002] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [2163] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2186] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2209] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2232] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2255] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2278] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2301] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2324] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2347] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2370] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [2416] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [2554] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2577] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2600] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
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## [2807] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2830] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2853] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2876] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2899] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2922] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2945] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2968] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [2991] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3014] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3037] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3060] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3083] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3106] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3129] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3152] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3175] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3198] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3221] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3244] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3267] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3290] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3313] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA
## [3336] NA NA NA NA NA NA NA NA NA NA NA NA NA NA NA

3.4 remove all NA observation

my_data = na.omit(my_data)

4.1 Recoding Values

class(my_data$country)
## [1] "factor"
summary(my_data$country)
##                Australia                   Canada                   France 
##                       18                       44                        8 
##                  Germany                    India                    Italy 
##                      302                       60                        5 
##                    Japan              Netherlands                Singapore 
##                       47                      170                      257 
##              Switzerland           United Kingdom            United States 
##                     1241                      798                     1416 
##                  Austria   New Zealand (Aotearoa)                  Denmark 
##                        8                        4                        1 
##                   Taiwan                   Sweden                Hong Kong 
##                        2                        1                        1 
##                   Poland                  Belgium                  Senegal 
##                        2                        1                        1 
##              Singapore,               SWitzerland     United Arab Emirates 
##                        0                        0                        0 
##                 Slovenia Switzerland, Switzerland             South Africa 
##                        1                        0                        1
my_count=0
for (test in my_data$country=="Singapore, ") {
  if(test==T)
    {my_count=my_count+1}
}
my_count
## [1] 0
my_data[my_data$country=="Singapore, ","country"] = "Singapore"

my_count=0
for (test in my_data$country=="Singapore, ") {
  if(test==T)
  {my_count=my_count+1}
}
my_count
## [1] 0
summary(my_data$country)
##                Australia                   Canada                   France 
##                       18                       44                        8 
##                  Germany                    India                    Italy 
##                      302                       60                        5 
##                    Japan              Netherlands                Singapore 
##                       47                      170                      257 
##              Switzerland           United Kingdom            United States 
##                     1241                      798                     1416 
##                  Austria   New Zealand (Aotearoa)                  Denmark 
##                        8                        4                        1 
##                   Taiwan                   Sweden                Hong Kong 
##                        2                        1                        1 
##                   Poland                  Belgium                  Senegal 
##                        2                        1                        1 
##              Singapore,               SWitzerland     United Arab Emirates 
##                        0                        0                        0 
##                 Slovenia Switzerland, Switzerland             South Africa 
##                        1                        0                        1
my_data[my_data$country=="SWitzerland","country"] <- "Switzerland"
my_data[my_data$country=="Switzerland, Switzerland","country"] <- "Switzerland"
summary(my_data$country)
##                Australia                   Canada                   France 
##                       18                       44                        8 
##                  Germany                    India                    Italy 
##                      302                       60                        5 
##                    Japan              Netherlands                Singapore 
##                       47                      170                      257 
##              Switzerland           United Kingdom            United States 
##                     1241                      798                     1416 
##                  Austria   New Zealand (Aotearoa)                  Denmark 
##                        8                        4                        1 
##                   Taiwan                   Sweden                Hong Kong 
##                        2                        1                        1 
##                   Poland                  Belgium                  Senegal 
##                        2                        1                        1 
##              Singapore,               SWitzerland     United Arab Emirates 
##                        0                        0                        0 
##                 Slovenia Switzerland, Switzerland             South Africa 
##                        1                        0                        1
my_data$country <- as.factor(my_data$country)
levels(my_data$country)
##  [1] "Australia"                "Canada"                  
##  [3] "France"                   "Germany"                 
##  [5] "India"                    "Italy"                   
##  [7] "Japan"                    "Netherlands"             
##  [9] "Singapore"                "Switzerland"             
## [11] "United Kingdom"           "United States"           
## [13] "Austria"                  "New Zealand (Aotearoa)"  
## [15] "Denmark"                  "Taiwan"                  
## [17] "Sweden"                   "Hong Kong"               
## [19] "Poland"                   "Belgium"                 
## [21] "Senegal"                  "Singapore, "             
## [23] "SWitzerland"              "United Arab Emirates"    
## [25] "Slovenia"                 "Switzerland, Switzerland"
## [27] "South Africa"
# we could  also use droplevels() function to remove extra(containing no value) levels.

4.2

country_check = c("Singapore", "Switzerland", "United States", "United Kingdom")
! my_data$country %in% country_check
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## [3961] FALSE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [3972] FALSE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE
## [3983] FALSE FALSE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE
## [3994] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE
## [4005] FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE  TRUE FALSE
## [4016]  TRUE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE  TRUE FALSE
## [4027]  TRUE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE  TRUE FALSE  TRUE
## [4038] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE
## [4049] FALSE FALSE FALSE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE
## [4060] FALSE  TRUE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE  TRUE
## [4071]  TRUE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE  TRUE FALSE
## [4082] FALSE  TRUE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE FALSE  TRUE
## [4093] FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE FALSE
## [4104] FALSE FALSE  TRUE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4115] FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE  TRUE  TRUE
## [4126] FALSE  TRUE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE FALSE FALSE
## [4137] FALSE FALSE FALSE FALSE  TRUE FALSE FALSE FALSE FALSE  TRUE FALSE
## [4148] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4159] FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE  TRUE
## [4170] FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4181] FALSE FALSE  TRUE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE
## [4192] FALSE FALSE FALSE FALSE FALSE  TRUE  TRUE FALSE FALSE FALSE FALSE
## [4203] FALSE FALSE FALSE  TRUE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE
## [4214] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4225] FALSE FALSE FALSE  TRUE  TRUE FALSE FALSE  TRUE  TRUE FALSE FALSE
## [4236] FALSE FALSE FALSE FALSE FALSE FALSE  TRUE  TRUE FALSE FALSE FALSE
## [4247] FALSE FALSE FALSE FALSE  TRUE FALSE FALSE  TRUE FALSE FALSE FALSE
## [4258] FALSE FALSE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4269] FALSE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4280] FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE  TRUE  TRUE  TRUE
## [4291] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4302] FALSE  TRUE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4313] FALSE FALSE FALSE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
## [4324] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE
## [4335]  TRUE FALSE  TRUE FALSE FALSE FALSE FALSE  TRUE  TRUE FALSE FALSE
## [4346] FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE FALSE FALSE FALSE
## [4357] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE  TRUE  TRUE
## [4368] FALSE FALSE FALSE  TRUE  TRUE FALSE FALSE FALSE FALSE FALSE FALSE
## [4379] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE
my_data$country = as.character(my_data$country)
my_data$country[!(my_data$country %in% country_check)] <- "other"
my_data$country
##    [1] "Switzerland"    "Switzerland"    "other"          "other"         
##    [5] "United Kingdom" "United Kingdom" "United States"  "Switzerland"   
##    [9] "Switzerland"    "United States"  "United Kingdom" "United States" 
##   [13] "other"          "other"          "Switzerland"    "Switzerland"   
##   [17] "Switzerland"    "Singapore"      "other"          "United Kingdom"
##   [21] "United Kingdom" "Switzerland"    "other"          "other"         
##   [25] "Singapore"      "Singapore"      "Singapore"      "United States" 
##   [29] "United States"  "other"          "United States"  "United States" 
##   [33] "United Kingdom" "other"          "United Kingdom" "other"         
##   [37] "other"          "other"          "United States"  "other"         
##   [41] "United Kingdom" "other"          "United States"  "other"         
##   [45] "other"          "Switzerland"    "United States"  "Switzerland"   
##   [49] "other"          "United States"  "United States"  "United Kingdom"
##   [53] "United States"  "United Kingdom" "Switzerland"    "United Kingdom"
##   [57] "Singapore"      "United Kingdom" "Switzerland"    "Switzerland"   
##   [61] "other"          "other"          "Singapore"      "United States" 
##   [65] "other"          "other"          "Switzerland"    "Switzerland"   
##   [69] "Switzerland"    "Switzerland"    "United Kingdom" "United States" 
##   [73] "Switzerland"    "United Kingdom" "other"          "United States" 
##   [77] "United Kingdom" "United States"  "United Kingdom" "United States" 
##   [81] "United States"  "other"          "other"          "United States" 
##   [85] "United States"  "United States"  "Switzerland"    "Switzerland"   
##   [89] "United States"  "Singapore"      "United States"  "United Kingdom"
##   [93] "other"          "other"          "United States"  "United States" 
##   [97] "United States"  "United States"  "other"          "United States" 
##  [101] "United States"  "United States"  "other"          "United States" 
##  [105] "United States"  "United States"  "United Kingdom" "United States" 
##  [109] "United States"  "other"          "United Kingdom" "United Kingdom"
##  [113] "United Kingdom" "Switzerland"    "Switzerland"    "other"         
##  [117] "United States"  "other"          "other"          "other"         
##  [121] "other"          "United Kingdom" "Singapore"      "United States" 
##  [125] "other"          "United States"  "other"          "other"         
##  [129] "other"          "United Kingdom" "United Kingdom" "United Kingdom"
##  [133] "United Kingdom" "other"          "Switzerland"    "Switzerland"   
##  [137] "Switzerland"    "Switzerland"    "United Kingdom" "United States" 
##  [141] "United States"  "United States"  "United Kingdom" "Switzerland"   
##  [145] "Switzerland"    "Switzerland"    "United States"  "United States" 
##  [149] "Switzerland"    "Switzerland"    "other"          "United States" 
##  [153] "United States"  "other"          "United States"  "United States" 
##  [157] "other"          "other"          "United States"  "United States" 
##  [161] "other"          "other"          "Singapore"      "Singapore"     
##  [165] "Singapore"      "Switzerland"    "United States"  "United States" 
##  [169] "United States"  "United States"  "other"          "Switzerland"   
##  [173] "other"          "United States"  "United States"  "Switzerland"   
##  [177] "United Kingdom" "United States"  "United States"  "Singapore"     
##  [181] "Singapore"      "Switzerland"    "other"          "United Kingdom"
##  [185] "United States"  "United States"  "other"          "Switzerland"   
##  [189] "other"          "United States"  "Switzerland"    "Switzerland"   
##  [193] "other"          "Switzerland"    "other"          "other"         
##  [197] "other"          "other"          "other"          "other"         
##  [201] "Switzerland"    "Switzerland"    "Switzerland"    "Singapore"     
##  [205] "United Kingdom" "Singapore"      "Switzerland"    "United Kingdom"
##  [209] "United States"  "Switzerland"    "other"          "other"         
##  [213] "other"          "other"          "Switzerland"    "United States" 
##  [217] "Switzerland"    "United Kingdom" "United States"  "United States" 
##  [221] "United States"  "United States"  "Switzerland"    "other"         
##  [225] "United States"  "Switzerland"    "Switzerland"    "United Kingdom"
##  [229] "other"          "other"          "United States"  "United States" 
##  [233] "United States"  "other"          "United States"  "Switzerland"   
##  [237] "United States"  "United States"  "United States"  "United Kingdom"
##  [241] "United States"  "other"          "United States"  "United States" 
##  [245] "United Kingdom" "other"          "United Kingdom" "other"         
##  [249] "United States"  "United States"  "other"          "Switzerland"   
##  [253] "Switzerland"    "Switzerland"    "other"          "United Kingdom"
##  [257] "United Kingdom" "United Kingdom" "Singapore"      "United Kingdom"
##  [261] "United Kingdom" "United Kingdom" "United States"  "United States" 
##  [265] "United Kingdom" "United States"  "United States"  "United States" 
##  [269] "other"          "other"          "United States"  "United States" 
##  [273] "United States"  "United States"  "other"          "United States" 
##  [277] "Switzerland"    "Switzerland"    "Singapore"      "other"         
##  [281] "Switzerland"    "United States"  "Switzerland"    "United States" 
##  [285] "United States"  "United Kingdom" "United States"  "United States" 
##  [289] "Switzerland"    "other"          "other"          "United States" 
##  [293] "United States"  "other"          "United States"  "Switzerland"   
##  [297] "United Kingdom" "other"          "United Kingdom" "United States" 
##  [301] "United States"  "United States"  "United States"  "Switzerland"   
##  [305] "United States"  "United States"  "Switzerland"    "United States" 
##  [309] "United States"  "United States"  "other"          "United Kingdom"
##  [313] "other"          "other"          "United States"  "United States" 
##  [317] "United States"  "other"          "Switzerland"    "United States" 
##  [321] "United Kingdom" "United States"  "Switzerland"    "Switzerland"   
##  [325] "United States"  "United States"  "Singapore"      "Switzerland"   
##  [329] "other"          "Switzerland"    "United States"  "other"         
##  [333] "Switzerland"    "Switzerland"    "United States"  "United States" 
##  [337] "other"          "United Kingdom" "United States"  "United Kingdom"
##  [341] "United States"  "United States"  "Switzerland"    "Switzerland"   
##  [345] "United States"  "United States"  "Singapore"      "United States" 
##  [349] "other"          "other"          "United Kingdom" "United Kingdom"
##  [353] "United Kingdom" "United Kingdom" "other"          "United States" 
##  [357] "United Kingdom" "Switzerland"    "Switzerland"    "other"         
##  [361] "United Kingdom" "Switzerland"    "other"          "United States" 
##  [365] "United States"  "United States"  "United States"  "Switzerland"   
##  [369] "United States"  "other"          "other"          "United Kingdom"
##  [373] "United States"  "Switzerland"    "United States"  "United Kingdom"
##  [377] "United States"  "United States"  "other"          "United Kingdom"
##  [381] "United States"  "United Kingdom" "Switzerland"    "other"         
##  [385] "United States"  "United Kingdom" "United Kingdom" "United States" 
##  [389] "United Kingdom" "other"          "United Kingdom" "Switzerland"   
##  [393] "Switzerland"    "United Kingdom" "United States"  "United States" 
##  [397] "Singapore"      "other"          "Switzerland"    "United States" 
##  [401] "United States"  "Switzerland"    "United States"  "United States" 
##  [405] "United Kingdom" "United States"  "United States"  "United States" 
##  [409] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
##  [413] "United States"  "United States"  "United Kingdom" "United Kingdom"
##  [417] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
##  [421] "Switzerland"    "Switzerland"    "United Kingdom" "Switzerland"   
##  [425] "United Kingdom" "Switzerland"    "United States"  "United Kingdom"
##  [429] "other"          "Switzerland"    "United States"  "United States" 
##  [433] "United States"  "United States"  "Switzerland"    "United Kingdom"
##  [437] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
##  [441] "other"          "other"          "United States"  "United States" 
##  [445] "other"          "United States"  "other"          "other"         
##  [449] "United States"  "United Kingdom" "Switzerland"    "United States" 
##  [453] "United States"  "other"          "United Kingdom" "United Kingdom"
##  [457] "other"          "United States"  "United States"  "other"         
##  [461] "Switzerland"    "United States"  "United States"  "United States" 
##  [465] "United States"  "United States"  "United States"  "United States" 
##  [469] "United States"  "other"          "United States"  "United Kingdom"
##  [473] "United Kingdom" "United Kingdom" "other"          "other"         
##  [477] "United States"  "United States"  "other"          "Switzerland"   
##  [481] "United Kingdom" "Switzerland"    "United Kingdom" "United Kingdom"
##  [485] "United States"  "other"          "other"          "other"         
##  [489] "other"          "United States"  "other"          "Singapore"     
##  [493] "Switzerland"    "United States"  "United States"  "United States" 
##  [497] "United States"  "United States"  "United Kingdom" "United States" 
##  [501] "other"          "United States"  "other"          "United Kingdom"
##  [505] "United Kingdom" "United States"  "United Kingdom" "United Kingdom"
##  [509] "United Kingdom" "United States"  "other"          "other"         
##  [513] "other"          "Switzerland"    "United States"  "other"         
##  [517] "Switzerland"    "United Kingdom" "United Kingdom" "United Kingdom"
##  [521] "United States"  "United States"  "other"          "United States" 
##  [525] "Switzerland"    "United States"  "Switzerland"    "United States" 
##  [529] "United Kingdom" "Switzerland"    "United Kingdom" "other"         
##  [533] "Singapore"      "other"          "United States"  "United Kingdom"
##  [537] "Switzerland"    "United Kingdom" "United Kingdom" "Switzerland"   
##  [541] "United States"  "Switzerland"    "United States"  "United States" 
##  [545] "Switzerland"    "Switzerland"    "other"          "United States" 
##  [549] "United States"  "other"          "Switzerland"    "Switzerland"   
##  [553] "other"          "other"          "Switzerland"    "other"         
##  [557] "United Kingdom" "Switzerland"    "Switzerland"    "United States" 
##  [561] "other"          "United States"  "Switzerland"    "United States" 
##  [565] "United States"  "other"          "other"          "Switzerland"   
##  [569] "Switzerland"    "United Kingdom" "United States"  "United States" 
##  [573] "United States"  "other"          "United States"  "United States" 
##  [577] "United States"  "other"          "other"          "Switzerland"   
##  [581] "Singapore"      "Switzerland"    "United Kingdom" "other"         
##  [585] "Switzerland"    "United States"  "Singapore"      "Singapore"     
##  [589] "Switzerland"    "United States"  "United States"  "United States" 
##  [593] "Switzerland"    "other"          "United States"  "United States" 
##  [597] "United States"  "Singapore"      "Switzerland"    "United Kingdom"
##  [601] "United States"  "Switzerland"    "Switzerland"    "Switzerland"   
##  [605] "United Kingdom" "other"          "United Kingdom" "Singapore"     
##  [609] "United States"  "other"          "other"          "United Kingdom"
##  [613] "United States"  "United States"  "other"          "other"         
##  [617] "other"          "other"          "United Kingdom" "United Kingdom"
##  [621] "other"          "Switzerland"    "Switzerland"    "other"         
##  [625] "other"          "Switzerland"    "other"          "United States" 
##  [629] "Switzerland"    "United States"  "Singapore"      "United Kingdom"
##  [633] "Switzerland"    "United Kingdom" "Singapore"      "United States" 
##  [637] "United States"  "United States"  "other"          "United Kingdom"
##  [641] "United States"  "Singapore"      "United Kingdom" "United States" 
##  [645] "United States"  "Switzerland"    "United States"  "Switzerland"   
##  [649] "United States"  "other"          "other"          "Switzerland"   
##  [653] "other"          "United Kingdom" "United States"  "Singapore"     
##  [657] "other"          "United Kingdom" "United Kingdom" "United States" 
##  [661] "United States"  "United Kingdom" "United Kingdom" "Switzerland"   
##  [665] "other"          "Singapore"      "United Kingdom" "Singapore"     
##  [669] "United Kingdom" "Switzerland"    "United States"  "other"         
##  [673] "other"          "other"          "Switzerland"    "other"         
##  [677] "Switzerland"    "United Kingdom" "United States"  "other"         
##  [681] "other"          "other"          "United States"  "United States" 
##  [685] "United States"  "other"          "Switzerland"    "Switzerland"   
##  [689] "Switzerland"    "other"          "United Kingdom" "United Kingdom"
##  [693] "other"          "United Kingdom" "Switzerland"    "Singapore"     
##  [697] "United States"  "United States"  "United States"  "Switzerland"   
##  [701] "United States"  "United States"  "United States"  "other"         
##  [705] "Switzerland"    "other"          "United Kingdom" "Switzerland"   
##  [709] "Switzerland"    "Switzerland"    "other"          "United States" 
##  [713] "other"          "United Kingdom" "Singapore"      "Singapore"     
##  [717] "Switzerland"    "United States"  "other"          "United States" 
##  [721] "United States"  "Switzerland"    "other"          "Switzerland"   
##  [725] "United States"  "United States"  "United States"  "United States" 
##  [729] "United States"  "United States"  "other"          "United Kingdom"
##  [733] "other"          "other"          "other"          "United Kingdom"
##  [737] "other"          "Switzerland"    "Switzerland"    "other"         
##  [741] "other"          "Switzerland"    "Switzerland"    "Switzerland"   
##  [745] "Singapore"      "Switzerland"    "United States"  "other"         
##  [749] "United Kingdom" "other"          "Switzerland"    "other"         
##  [753] "other"          "other"          "other"          "other"         
##  [757] "other"          "Switzerland"    "other"          "other"         
##  [761] "Switzerland"    "Singapore"      "other"          "United States" 
##  [765] "Singapore"      "United States"  "Switzerland"    "United States" 
##  [769] "Switzerland"    "United States"  "United States"  "United States" 
##  [773] "United Kingdom" "other"          "United Kingdom" "United Kingdom"
##  [777] "United Kingdom" "United Kingdom" "United Kingdom" "United States" 
##  [781] "other"          "other"          "other"          "United Kingdom"
##  [785] "Switzerland"    "Singapore"      "United States"  "Switzerland"   
##  [789] "other"          "other"          "United States"  "other"         
##  [793] "other"          "United States"  "United States"  "United States" 
##  [797] "United States"  "United States"  "other"          "Switzerland"   
##  [801] "United Kingdom" "United Kingdom" "Switzerland"    "United Kingdom"
##  [805] "United States"  "United Kingdom" "other"          "United Kingdom"
##  [809] "Switzerland"    "Switzerland"    "United Kingdom" "United Kingdom"
##  [813] "United States"  "Switzerland"    "United States"  "Switzerland"   
##  [817] "other"          "other"          "Switzerland"    "United Kingdom"
##  [821] "United States"  "Switzerland"    "United Kingdom" "United Kingdom"
##  [825] "Switzerland"    "other"          "other"          "United States" 
##  [829] "Switzerland"    "United States"  "United States"  "Singapore"     
##  [833] "Singapore"      "other"          "Singapore"      "Singapore"     
##  [837] "Singapore"      "United Kingdom" "Switzerland"    "Switzerland"   
##  [841] "United Kingdom" "Switzerland"    "Switzerland"    "other"         
##  [845] "other"          "other"          "other"          "Switzerland"   
##  [849] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
##  [853] "United States"  "United States"  "Switzerland"    "Switzerland"   
##  [857] "Switzerland"    "Singapore"      "Singapore"      "other"         
##  [861] "other"          "Switzerland"    "Switzerland"    "Singapore"     
##  [865] "Singapore"      "Singapore"      "Switzerland"    "Switzerland"   
##  [869] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
##  [873] "Switzerland"    "United States"  "United States"  "United States" 
##  [877] "Switzerland"    "Switzerland"    "Switzerland"    "other"         
##  [881] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
##  [885] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
##  [889] "United States"  "United States"  "United States"  "United States" 
##  [893] "United States"  "United States"  "United States"  "United States" 
##  [897] "United States"  "United States"  "Switzerland"    "Switzerland"   
##  [901] "United States"  "United Kingdom" "Singapore"      "Switzerland"   
##  [905] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
##  [909] "Switzerland"    "Switzerland"    "United Kingdom" "United States" 
##  [913] "United States"  "United States"  "Switzerland"    "Switzerland"   
##  [917] "United Kingdom" "United Kingdom" "United States"  "United Kingdom"
##  [921] "other"          "United States"  "United States"  "United States" 
##  [925] "United States"  "United States"  "United States"  "United States" 
##  [929] "United States"  "United States"  "United States"  "United States" 
##  [933] "United States"  "United States"  "United States"  "United States" 
##  [937] "United States"  "Switzerland"    "United States"  "United States" 
##  [941] "Switzerland"    "Switzerland"    "United States"  "United States" 
##  [945] "Singapore"      "Switzerland"    "United Kingdom" "Switzerland"   
##  [949] "other"          "Switzerland"    "other"          "other"         
##  [953] "Switzerland"    "United Kingdom" "other"          "United States" 
##  [957] "Switzerland"    "United States"  "United States"  "United States" 
##  [961] "United Kingdom" "United Kingdom" "United Kingdom" "United States" 
##  [965] "United States"  "Singapore"      "United States"  "Switzerland"   
##  [969] "United States"  "United States"  "United States"  "United States" 
##  [973] "other"          "United States"  "United Kingdom" "United States" 
##  [977] "United States"  "United States"  "other"          "United States" 
##  [981] "United Kingdom" "United States"  "Switzerland"    "Switzerland"   
##  [985] "United States"  "United States"  "United States"  "Switzerland"   
##  [989] "United States"  "other"          "United States"  "United Kingdom"
##  [993] "United Kingdom" "United Kingdom" "United States"  "United States" 
##  [997] "United States"  "United States"  "other"          "other"         
## [1001] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1005] "United Kingdom" "United States"  "United States"  "United States" 
## [1009] "Switzerland"    "other"          "other"          "Switzerland"   
## [1013] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [1017] "United Kingdom" "United Kingdom" "Switzerland"    "Switzerland"   
## [1021] "Switzerland"    "Switzerland"    "Switzerland"    "other"         
## [1025] "other"          "Singapore"      "other"          "United Kingdom"
## [1029] "Switzerland"    "Switzerland"    "Singapore"      "United Kingdom"
## [1033] "Switzerland"    "other"          "other"          "United Kingdom"
## [1037] "United Kingdom" "Switzerland"    "United States"  "United Kingdom"
## [1041] "Switzerland"    "Switzerland"    "other"          "Singapore"     
## [1045] "Singapore"      "Switzerland"    "Switzerland"    "Switzerland"   
## [1049] "other"          "other"          "Switzerland"    "Switzerland"   
## [1053] "Switzerland"    "Switzerland"    "United States"  "other"         
## [1057] "United States"  "United States"  "other"          "Switzerland"   
## [1061] "United Kingdom" "other"          "Switzerland"    "Switzerland"   
## [1065] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [1069] "United States"  "United States"  "United States"  "United States" 
## [1073] "United States"  "United States"  "Switzerland"    "United States" 
## [1077] "Switzerland"    "Switzerland"    "United States"  "other"         
## [1081] "United States"  "other"          "Switzerland"    "Switzerland"   
## [1085] "Switzerland"    "United States"  "United States"  "other"         
## [1089] "other"          "Switzerland"    "Switzerland"    "United States" 
## [1093] "other"          "Switzerland"    "Switzerland"    "United States" 
## [1097] "other"          "other"          "United States"  "United States" 
## [1101] "Singapore"      "Singapore"      "United States"  "United States" 
## [1105] "other"          "Switzerland"    "United Kingdom" "United Kingdom"
## [1109] "Switzerland"    "other"          "Switzerland"    "Singapore"     
## [1113] "Singapore"      "Switzerland"    "United States"  "United States" 
## [1117] "Switzerland"    "Switzerland"    "United Kingdom" "United Kingdom"
## [1121] "United Kingdom" "other"          "other"          "Switzerland"   
## [1125] "Switzerland"    "Singapore"      "Switzerland"    "Switzerland"   
## [1129] "Switzerland"    "United States"  "United States"  "United States" 
## [1133] "Switzerland"    "United States"  "other"          "Singapore"     
## [1137] "United States"  "other"          "other"          "Switzerland"   
## [1141] "Switzerland"    "other"          "United States"  "Switzerland"   
## [1145] "Switzerland"    "Switzerland"    "United States"  "United Kingdom"
## [1149] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [1153] "United States"  "other"          "Switzerland"    "Switzerland"   
## [1157] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1161] "United States"  "United States"  "United States"  "United States" 
## [1165] "United States"  "Switzerland"    "United States"  "Switzerland"   
## [1169] "Switzerland"    "other"          "Switzerland"    "other"         
## [1173] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [1177] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1181] "Switzerland"    "other"          "other"          "Switzerland"   
## [1185] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [1189] "other"          "other"          "Singapore"      "Switzerland"   
## [1193] "United Kingdom" "United States"  "United States"  "Switzerland"   
## [1197] "Switzerland"    "other"          "other"          "Switzerland"   
## [1201] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
## [1205] "United States"  "Switzerland"    "Switzerland"    "Switzerland"   
## [1209] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1213] "Switzerland"    "Switzerland"    "Switzerland"    "other"         
## [1217] "United Kingdom" "Switzerland"    "Singapore"      "Switzerland"   
## [1221] "United States"  "United States"  "Switzerland"    "United States" 
## [1225] "United Kingdom" "Switzerland"    "Switzerland"    "Switzerland"   
## [1229] "Switzerland"    "United States"  "United States"  "other"         
## [1233] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1237] "United Kingdom" "United Kingdom" "United States"  "Switzerland"   
## [1241] "Switzerland"    "Switzerland"    "other"          "Singapore"     
## [1245] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1249] "other"          "other"          "other"          "other"         
## [1253] "United Kingdom" "Switzerland"    "Switzerland"    "Singapore"     
## [1257] "Singapore"      "Singapore"      "Singapore"      "Switzerland"   
## [1261] "Switzerland"    "United States"  "United States"  "United Kingdom"
## [1265] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [1269] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1273] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1277] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [1281] "Switzerland"    "Singapore"      "Singapore"      "United States" 
## [1285] "United States"  "United States"  "United States"  "United States" 
## [1289] "United States"  "other"          "other"          "Switzerland"   
## [1293] "Switzerland"    "Singapore"      "United States"  "United States" 
## [1297] "United States"  "United States"  "other"          "other"         
## [1301] "United States"  "United States"  "United States"  "United States" 
## [1305] "United States"  "United States"  "United States"  "United Kingdom"
## [1309] "United States"  "United States"  "Singapore"      "Switzerland"   
## [1313] "Switzerland"    "other"          "Switzerland"    "Switzerland"   
## [1317] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1321] "other"          "United States"  "United States"  "United States" 
## [1325] "United States"  "other"          "United States"  "United States" 
## [1329] "other"          "other"          "United States"  "United States" 
## [1333] "United Kingdom" "United Kingdom" "United Kingdom" "United States" 
## [1337] "United Kingdom" "United Kingdom" "Switzerland"    "Switzerland"   
## [1341] "other"          "Switzerland"    "Switzerland"    "Switzerland"   
## [1345] "Switzerland"    "United Kingdom" "United Kingdom" "Switzerland"   
## [1349] "United Kingdom" "United States"  "Switzerland"    "Switzerland"   
## [1353] "United States"  "United Kingdom" "other"          "other"         
## [1357] "Singapore"      "Singapore"      "Switzerland"    "United Kingdom"
## [1361] "Switzerland"    "United Kingdom" "Switzerland"    "United Kingdom"
## [1365] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [1369] "United Kingdom" "United Kingdom" "United States"  "United States" 
## [1373] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [1377] "United Kingdom" "United Kingdom" "United States"  "United States" 
## [1381] "United States"  "United States"  "Singapore"      "Switzerland"   
## [1385] "United Kingdom" "United Kingdom" "United States"  "United States" 
## [1389] "Switzerland"    "Switzerland"    "Switzerland"    "United Kingdom"
## [1393] "United States"  "United States"  "Singapore"      "Switzerland"   
## [1397] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1401] "United States"  "United States"  "Switzerland"    "United States" 
## [1405] "other"          "other"          "Switzerland"    "Switzerland"   
## [1409] "Switzerland"    "Switzerland"    "United Kingdom" "other"         
## [1413] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [1417] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1421] "Switzerland"    "United Kingdom" "United Kingdom" "Switzerland"   
## [1425] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1429] "Switzerland"    "United States"  "United States"  "United Kingdom"
## [1433] "United States"  "United States"  "Switzerland"    "United States" 
## [1437] "United States"  "other"          "United States"  "Switzerland"   
## [1441] "United Kingdom" "Switzerland"    "Switzerland"    "United States" 
## [1445] "United States"  "other"          "other"          "other"         
## [1449] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [1453] "United States"  "United States"  "United States"  "United States" 
## [1457] "United States"  "United States"  "United States"  "United States" 
## [1461] "United Kingdom" "Switzerland"    "other"          "Switzerland"   
## [1465] "United States"  "United States"  "other"          "United States" 
## [1469] "United States"  "United States"  "United States"  "United States" 
## [1473] "United States"  "United States"  "United States"  "United States" 
## [1477] "United States"  "United States"  "United Kingdom" "other"         
## [1481] "Switzerland"    "Switzerland"    "United States"  "other"         
## [1485] "other"          "United States"  "United States"  "other"         
## [1489] "other"          "other"          "United States"  "United States" 
## [1493] "other"          "United States"  "United States"  "United States" 
## [1497] "United Kingdom" "Switzerland"    "Switzerland"    "Singapore"     
## [1501] "Switzerland"    "Switzerland"    "Singapore"      "other"         
## [1505] "other"          "Singapore"      "Singapore"      "other"         
## [1509] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [1513] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [1517] "United States"  "United States"  "United States"  "Switzerland"   
## [1521] "Switzerland"    "United Kingdom" "United States"  "United States" 
## [1525] "Singapore"      "Singapore"      "United States"  "United States" 
## [1529] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [1533] "Switzerland"    "Switzerland"    "Singapore"      "Switzerland"   
## [1537] "other"          "other"          "Switzerland"    "other"         
## [1541] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [1545] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [1549] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [1553] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [1557] "Switzerland"    "United Kingdom" "Switzerland"    "United States" 
## [1561] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1565] "Switzerland"    "United Kingdom" "Switzerland"    "United States" 
## [1569] "Switzerland"    "United Kingdom" "Switzerland"    "Switzerland"   
## [1573] "United Kingdom" "Switzerland"    "United States"  "Switzerland"   
## [1577] "Singapore"      "Switzerland"    "other"          "Switzerland"   
## [1581] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [1585] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [1589] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
## [1593] "Switzerland"    "United States"  "United States"  "United States" 
## [1597] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [1601] "Switzerland"    "Switzerland"    "United Kingdom" "Switzerland"   
## [1605] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1609] "United States"  "United States"  "United Kingdom" "United Kingdom"
## [1613] "Switzerland"    "Switzerland"    "Switzerland"    "United Kingdom"
## [1617] "Switzerland"    "United Kingdom" "Switzerland"    "Switzerland"   
## [1621] "other"          "United States"  "Switzerland"    "Singapore"     
## [1625] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [1629] "Switzerland"    "Switzerland"    "United States"  "other"         
## [1633] "other"          "United States"  "United States"  "Switzerland"   
## [1637] "Switzerland"    "other"          "other"          "Switzerland"   
## [1641] "United Kingdom" "Singapore"      "Switzerland"    "Switzerland"   
## [1645] "United States"  "United States"  "United States"  "United States" 
## [1649] "United States"  "Switzerland"    "United States"  "United States" 
## [1653] "United States"  "United States"  "Switzerland"    "Singapore"     
## [1657] "Switzerland"    "United States"  "Singapore"      "United States" 
## [1661] "United States"  "United States"  "United States"  "United States" 
## [1665] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [1669] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1673] "Switzerland"    "United States"  "United Kingdom" "Singapore"     
## [1677] "United States"  "Switzerland"    "Singapore"      "United Kingdom"
## [1681] "Switzerland"    "United States"  "other"          "other"         
## [1685] "United States"  "United States"  "other"          "other"         
## [1689] "other"          "United Kingdom" "United States"  "United Kingdom"
## [1693] "Switzerland"    "Switzerland"    "other"          "United States" 
## [1697] "United States"  "United Kingdom" "United States"  "United States" 
## [1701] "United States"  "other"          "Singapore"      "Singapore"     
## [1705] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [1709] "Switzerland"    "United Kingdom" "United Kingdom" "Switzerland"   
## [1713] "United Kingdom" "Switzerland"    "United States"  "United Kingdom"
## [1717] "United States"  "United States"  "United States"  "United Kingdom"
## [1721] "other"          "United States"  "United States"  "United States" 
## [1725] "United States"  "other"          "United Kingdom" "United Kingdom"
## [1729] "United Kingdom" "other"          "United Kingdom" "United Kingdom"
## [1733] "United States"  "other"          "Switzerland"    "United Kingdom"
## [1737] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [1741] "United Kingdom" "United States"  "other"          "other"         
## [1745] "other"          "other"          "other"          "Switzerland"   
## [1749] "Switzerland"    "United States"  "United States"  "United States" 
## [1753] "United Kingdom" "United States"  "United Kingdom" "United Kingdom"
## [1757] "other"          "United Kingdom" "United States"  "other"         
## [1761] "United Kingdom" "other"          "Switzerland"    "United Kingdom"
## [1765] "United Kingdom" "United Kingdom" "United States"  "other"         
## [1769] "United States"  "United States"  "United Kingdom" "United Kingdom"
## [1773] "Switzerland"    "United Kingdom" "United States"  "United States" 
## [1777] "United States"  "Switzerland"    "United States"  "other"         
## [1781] "United Kingdom" "United States"  "United Kingdom" "United Kingdom"
## [1785] "United Kingdom" "Singapore"      "United States"  "Switzerland"   
## [1789] "United States"  "United States"  "United States"  "Switzerland"   
## [1793] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [1797] "Switzerland"    "Switzerland"    "United States"  "United Kingdom"
## [1801] "United Kingdom" "United States"  "United States"  "United States" 
## [1805] "other"          "Switzerland"    "United Kingdom" "Switzerland"   
## [1809] "United States"  "United States"  "United States"  "United Kingdom"
## [1813] "other"          "other"          "other"          "United States" 
## [1817] "United States"  "United Kingdom" "United States"  "other"         
## [1821] "United Kingdom" "United Kingdom" "Switzerland"    "United States" 
## [1825] "United States"  "United States"  "United Kingdom" "United Kingdom"
## [1829] "other"          "United States"  "other"          "United Kingdom"
## [1833] "other"          "United Kingdom" "United States"  "United Kingdom"
## [1837] "United Kingdom" "United Kingdom" "United Kingdom" "other"         
## [1841] "United Kingdom" "United Kingdom" "United States"  "United Kingdom"
## [1845] "United Kingdom" "other"          "Switzerland"    "United States" 
## [1849] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1853] "Switzerland"    "Switzerland"    "United Kingdom" "United Kingdom"
## [1857] "other"          "United States"  "United States"  "United Kingdom"
## [1861] "United States"  "United Kingdom" "United States"  "United States" 
## [1865] "United States"  "United Kingdom" "United States"  "United States" 
## [1869] "other"          "United States"  "other"          "other"         
## [1873] "Switzerland"    "other"          "United States"  "United Kingdom"
## [1877] "United Kingdom" "other"          "United Kingdom" "Singapore"     
## [1881] "United States"  "United Kingdom" "United States"  "United Kingdom"
## [1885] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [1889] "United States"  "United Kingdom" "Switzerland"    "United Kingdom"
## [1893] "United Kingdom" "United States"  "other"          "United Kingdom"
## [1897] "United Kingdom" "Switzerland"    "United States"  "United Kingdom"
## [1901] "United States"  "United States"  "United Kingdom" "other"         
## [1905] "United Kingdom" "United Kingdom" "other"          "other"         
## [1909] "other"          "United States"  "United States"  "Switzerland"   
## [1913] "Switzerland"    "United States"  "other"          "United States" 
## [1917] "United Kingdom" "other"          "Switzerland"    "other"         
## [1921] "United States"  "Singapore"      "United States"  "Singapore"     
## [1925] "Switzerland"    "United Kingdom" "Singapore"      "other"         
## [1929] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [1933] "Switzerland"    "United States"  "United States"  "United Kingdom"
## [1937] "United Kingdom" "United Kingdom" "United States"  "United States" 
## [1941] "Switzerland"    "Singapore"      "United States"  "United States" 
## [1945] "United States"  "United States"  "Switzerland"    "United States" 
## [1949] "United States"  "United States"  "United States"  "Switzerland"   
## [1953] "United Kingdom" "Singapore"      "other"          "United States" 
## [1957] "United Kingdom" "United Kingdom" "United States"  "Switzerland"   
## [1961] "Switzerland"    "Singapore"      "Singapore"      "Singapore"     
## [1965] "United States"  "United Kingdom" "United States"  "United Kingdom"
## [1969] "other"          "United Kingdom" "Singapore"      "United Kingdom"
## [1973] "United Kingdom" "Switzerland"    "Switzerland"    "United States" 
## [1977] "Switzerland"    "United Kingdom" "United Kingdom" "Switzerland"   
## [1981] "Switzerland"    "Switzerland"    "other"          "United Kingdom"
## [1985] "Singapore"      "other"          "other"          "United States" 
## [1989] "United States"  "Singapore"      "Singapore"      "Switzerland"   
## [1993] "Switzerland"    "Singapore"      "Switzerland"    "Switzerland"   
## [1997] "Switzerland"    "United Kingdom" "Switzerland"    "Singapore"     
## [2001] "United States"  "United Kingdom" "Singapore"      "United States" 
## [2005] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [2009] "Singapore"      "Switzerland"    "United States"  "United Kingdom"
## [2013] "United States"  "Switzerland"    "United States"  "United States" 
## [2017] "United States"  "United Kingdom" "Switzerland"    "Switzerland"   
## [2021] "Switzerland"    "United States"  "United States"  "United States" 
## [2025] "United Kingdom" "Switzerland"    "United Kingdom" "United States" 
## [2029] "United Kingdom" "United Kingdom" "United Kingdom" "Switzerland"   
## [2033] "United Kingdom" "Switzerland"    "United Kingdom" "Switzerland"   
## [2037] "Switzerland"    "Singapore"      "Switzerland"    "United Kingdom"
## [2041] "United Kingdom" "Singapore"      "Switzerland"    "other"         
## [2045] "United States"  "Switzerland"    "United States"  "Switzerland"   
## [2049] "United Kingdom" "Switzerland"    "United Kingdom" "United States" 
## [2053] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [2057] "United States"  "Switzerland"    "Switzerland"    "United States" 
## [2061] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [2065] "United Kingdom" "United States"  "United States"  "United States" 
## [2069] "Singapore"      "United Kingdom" "United States"  "United Kingdom"
## [2073] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [2077] "United Kingdom" "United Kingdom" "Singapore"      "United States" 
## [2081] "Switzerland"    "other"          "Switzerland"    "Singapore"     
## [2085] "Singapore"      "United States"  "Switzerland"    "United States" 
## [2089] "other"          "other"          "Switzerland"    "Singapore"     
## [2093] "United States"  "United States"  "Singapore"      "Switzerland"   
## [2097] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [2101] "United States"  "United States"  "United States"  "Singapore"     
## [2105] "United Kingdom" "Switzerland"    "United States"  "Switzerland"   
## [2109] "Switzerland"    "other"          "United States"  "Switzerland"   
## [2113] "United States"  "United States"  "United States"  "United States" 
## [2117] "United States"  "Singapore"      "Singapore"      "Singapore"     
## [2121] "Switzerland"    "other"          "United Kingdom" "United States" 
## [2125] "other"          "United Kingdom" "United Kingdom" "United Kingdom"
## [2129] "United Kingdom" "other"          "other"          "Switzerland"   
## [2133] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [2137] "United Kingdom" "United States"  "Switzerland"    "United States" 
## [2141] "other"          "Switzerland"    "Switzerland"    "United Kingdom"
## [2145] "Switzerland"    "Singapore"      "Switzerland"    "Switzerland"   
## [2149] "United Kingdom" "Switzerland"    "United States"  "Switzerland"   
## [2153] "United Kingdom" "Switzerland"    "Switzerland"    "Switzerland"   
## [2157] "Switzerland"    "United States"  "United States"  "other"         
## [2161] "Switzerland"    "Switzerland"    "United States"  "Singapore"     
## [2165] "Switzerland"    "other"          "Switzerland"    "Switzerland"   
## [2169] "other"          "United States"  "other"          "United Kingdom"
## [2173] "United Kingdom" "Singapore"      "other"          "Switzerland"   
## [2177] "United Kingdom" "other"          "other"          "other"         
## [2181] "Switzerland"    "Switzerland"    "other"          "United States" 
## [2185] "other"          "other"          "United States"  "other"         
## [2189] "other"          "other"          "United States"  "United States" 
## [2193] "United States"  "United States"  "United States"  "United Kingdom"
## [2197] "other"          "United States"  "Switzerland"    "Switzerland"   
## [2201] "Switzerland"    "Switzerland"    "United States"  "Singapore"     
## [2205] "Singapore"      "Singapore"      "Singapore"      "Singapore"     
## [2209] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [2213] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [2217] "United States"  "Switzerland"    "Singapore"      "Switzerland"   
## [2221] "other"          "Switzerland"    "other"          "United Kingdom"
## [2225] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
## [2229] "United States"  "United Kingdom" "other"          "United Kingdom"
## [2233] "Switzerland"    "other"          "Switzerland"    "other"         
## [2237] "other"          "United States"  "United Kingdom" "United States" 
## [2241] "United Kingdom" "Switzerland"    "United Kingdom" "United States" 
## [2245] "Switzerland"    "Singapore"      "United Kingdom" "Switzerland"   
## [2249] "Switzerland"    "United States"  "Switzerland"    "United Kingdom"
## [2253] "other"          "United States"  "United States"  "other"         
## [2257] "Singapore"      "Switzerland"    "United States"  "United States" 
## [2261] "other"          "other"          "Switzerland"    "United Kingdom"
## [2265] "Singapore"      "other"          "other"          "other"         
## [2269] "other"          "Singapore"      "other"          "Switzerland"   
## [2273] "other"          "United States"  "Switzerland"    "Switzerland"   
## [2277] "United States"  "United States"  "Switzerland"    "United Kingdom"
## [2281] "United Kingdom" "United States"  "United Kingdom" "United Kingdom"
## [2285] "United Kingdom" "United States"  "United Kingdom" "United States" 
## [2289] "other"          "Switzerland"    "United Kingdom" "other"         
## [2293] "United States"  "United Kingdom" "United States"  "United Kingdom"
## [2297] "Switzerland"    "United States"  "other"          "United Kingdom"
## [2301] "United States"  "other"          "United Kingdom" "United Kingdom"
## [2305] "United Kingdom" "United Kingdom" "United States"  "United States" 
## [2309] "United Kingdom" "United Kingdom" "United Kingdom" "other"         
## [2313] "United States"  "United Kingdom" "Switzerland"    "United Kingdom"
## [2317] "United Kingdom" "United Kingdom" "United Kingdom" "United States" 
## [2321] "Switzerland"    "United States"  "United Kingdom" "United Kingdom"
## [2325] "United Kingdom" "United States"  "United States"  "United Kingdom"
## [2329] "United States"  "United States"  "United States"  "United States" 
## [2333] "United States"  "Singapore"      "United States"  "United States" 
## [2337] "United States"  "United Kingdom" "United Kingdom" "United Kingdom"
## [2341] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [2345] "United States"  "United Kingdom" "United Kingdom" "United States" 
## [2349] "Switzerland"    "United States"  "United Kingdom" "United Kingdom"
## [2353] "Switzerland"    "Switzerland"    "Singapore"      "United Kingdom"
## [2357] "United States"  "United Kingdom" "United Kingdom" "Singapore"     
## [2361] "other"          "United Kingdom" "United Kingdom" "United States" 
## [2365] "United Kingdom" "United Kingdom" "Switzerland"    "United States" 
## [2369] "United Kingdom" "United States"  "United Kingdom" "other"         
## [2373] "United Kingdom" "United Kingdom" "Switzerland"    "United States" 
## [2377] "United States"  "United Kingdom" "United Kingdom" "United Kingdom"
## [2381] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [2385] "United Kingdom" "Switzerland"    "United Kingdom" "United Kingdom"
## [2389] "Singapore"      "United Kingdom" "United Kingdom" "United States" 
## [2393] "United Kingdom" "United Kingdom" "United States"  "United Kingdom"
## [2397] "United States"  "United Kingdom" "United States"  "United Kingdom"
## [2401] "United Kingdom" "other"          "United Kingdom" "United Kingdom"
## [2405] "United Kingdom" "United Kingdom" "Switzerland"    "United States" 
## [2409] "other"          "Switzerland"    "Switzerland"    "United Kingdom"
## [2413] "United Kingdom" "other"          "Switzerland"    "Switzerland"   
## [2417] "Singapore"      "other"          "United States"  "United States" 
## [2421] "Switzerland"    "United Kingdom" "United States"  "Switzerland"   
## [2425] "United Kingdom" "other"          "Singapore"      "Switzerland"   
## [2429] "United States"  "United States"  "United States"  "other"         
## [2433] "other"          "other"          "Switzerland"    "Switzerland"   
## [2437] "other"          "United States"  "other"          "United States" 
## [2441] "other"          "Switzerland"    "other"          "Switzerland"   
## [2445] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [2449] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [2453] "Switzerland"    "United Kingdom" "United Kingdom" "United States" 
## [2457] "United States"  "United States"  "other"          "other"         
## [2461] "United States"  "Switzerland"    "other"          "United Kingdom"
## [2465] "other"          "United States"  "United States"  "United Kingdom"
## [2469] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [2473] "other"          "other"          "Singapore"      "Switzerland"   
## [2477] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
## [2481] "Switzerland"    "Switzerland"    "United States"  "other"         
## [2485] "other"          "United States"  "Switzerland"    "United Kingdom"
## [2489] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
## [2493] "United States"  "United States"  "United States"  "United Kingdom"
## [2497] "United States"  "Switzerland"    "other"          "Switzerland"   
## [2501] "Singapore"      "Switzerland"    "United Kingdom" "United Kingdom"
## [2505] "United Kingdom" "Switzerland"    "United Kingdom" "United Kingdom"
## [2509] "Singapore"      "Switzerland"    "other"          "United Kingdom"
## [2513] "Switzerland"    "United States"  "Switzerland"    "United States" 
## [2517] "other"          "Switzerland"    "United States"  "Singapore"     
## [2521] "Singapore"      "United States"  "United States"  "other"         
## [2525] "United States"  "United Kingdom" "United States"  "United States" 
## [2529] "United States"  "United States"  "United States"  "other"         
## [2533] "Switzerland"    "United States"  "United States"  "other"         
## [2537] "United States"  "United States"  "United States"  "Switzerland"   
## [2541] "other"          "United States"  "other"          "Switzerland"   
## [2545] "United States"  "other"          "Singapore"      "United Kingdom"
## [2549] "other"          "United Kingdom" "United States"  "United States" 
## [2553] "United Kingdom" "United States"  "United States"  "United Kingdom"
## [2557] "other"          "United Kingdom" "United Kingdom" "United Kingdom"
## [2561] "United Kingdom" "United States"  "United States"  "United States" 
## [2565] "United States"  "Switzerland"    "United States"  "United States" 
## [2569] "United States"  "other"          "United States"  "United States" 
## [2573] "Switzerland"    "other"          "Switzerland"    "United States" 
## [2577] "United States"  "United States"  "United Kingdom" "other"         
## [2581] "United Kingdom" "other"          "United States"  "United States" 
## [2585] "Switzerland"    "United Kingdom" "United Kingdom" "United States" 
## [2589] "United States"  "United States"  "Singapore"      "Switzerland"   
## [2593] "United Kingdom" "other"          "United Kingdom" "United Kingdom"
## [2597] "other"          "United Kingdom" "Switzerland"    "United Kingdom"
## [2601] "United States"  "United Kingdom" "United States"  "United Kingdom"
## [2605] "other"          "other"          "United States"  "United States" 
## [2609] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [2613] "United Kingdom" "United States"  "Switzerland"    "United Kingdom"
## [2617] "Switzerland"    "Singapore"      "Switzerland"    "United States" 
## [2621] "other"          "United States"  "other"          "United States" 
## [2625] "United States"  "Singapore"      "Switzerland"    "United Kingdom"
## [2629] "Switzerland"    "United Kingdom" "Singapore"      "United Kingdom"
## [2633] "other"          "United Kingdom" "United Kingdom" "Switzerland"   
## [2637] "other"          "United Kingdom" "United Kingdom" "Switzerland"   
## [2641] "United States"  "United Kingdom" "United Kingdom" "United Kingdom"
## [2645] "United States"  "other"          "United Kingdom" "other"         
## [2649] "United States"  "United States"  "other"          "United States" 
## [2653] "other"          "other"          "United States"  "other"         
## [2657] "other"          "Switzerland"    "Switzerland"    "Switzerland"   
## [2661] "other"          "Switzerland"    "other"          "United Kingdom"
## [2665] "United Kingdom" "other"          "other"          "other"         
## [2669] "United Kingdom" "United States"  "Switzerland"    "United States" 
## [2673] "other"          "United Kingdom" "Singapore"      "United States" 
## [2677] "United Kingdom" "United States"  "United Kingdom" "Singapore"     
## [2681] "United States"  "Singapore"      "Switzerland"    "United States" 
## [2685] "United Kingdom" "United Kingdom" "other"          "United States" 
## [2689] "United Kingdom" "United States"  "United States"  "Switzerland"   
## [2693] "United States"  "other"          "other"          "other"         
## [2697] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [2701] "United States"  "United Kingdom" "other"          "United States" 
## [2705] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [2709] "Switzerland"    "Switzerland"    "United States"  "other"         
## [2713] "other"          "Switzerland"    "Switzerland"    "United Kingdom"
## [2717] "Singapore"      "Singapore"      "United Kingdom" "other"         
## [2721] "United States"  "Singapore"      "other"          "other"         
## [2725] "other"          "United Kingdom" "United Kingdom" "United States" 
## [2729] "United States"  "United Kingdom" "Switzerland"    "other"         
## [2733] "Switzerland"    "other"          "Singapore"      "United Kingdom"
## [2737] "United Kingdom" "United Kingdom" "United States"  "Switzerland"   
## [2741] "United States"  "Switzerland"    "Singapore"      "United Kingdom"
## [2745] "United Kingdom" "other"          "United States"  "United States" 
## [2749] "United States"  "Switzerland"    "United Kingdom" "United Kingdom"
## [2753] "Switzerland"    "United Kingdom" "Switzerland"    "United States" 
## [2757] "other"          "other"          "United States"  "other"         
## [2761] "Singapore"      "United States"  "United States"  "United States" 
## [2765] "Singapore"      "United States"  "Switzerland"    "United Kingdom"
## [2769] "other"          "United States"  "United Kingdom" "United States" 
## [2773] "United States"  "United Kingdom" "United Kingdom" "Switzerland"   
## [2777] "United Kingdom" "United States"  "United Kingdom" "Switzerland"   
## [2781] "United States"  "United Kingdom" "Switzerland"    "other"         
## [2785] "United Kingdom" "Switzerland"    "United States"  "other"         
## [2789] "Singapore"      "other"          "United Kingdom" "United States" 
## [2793] "United States"  "United Kingdom" "United Kingdom" "United Kingdom"
## [2797] "United States"  "Switzerland"    "United States"  "United Kingdom"
## [2801] "United Kingdom" "other"          "United Kingdom" "Switzerland"   
## [2805] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [2809] "United Kingdom" "United States"  "Singapore"      "United Kingdom"
## [2813] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [2817] "United States"  "Switzerland"    "other"          "other"         
## [2821] "United States"  "United Kingdom" "United Kingdom" "Switzerland"   
## [2825] "United States"  "United Kingdom" "United Kingdom" "other"         
## [2829] "United Kingdom" "United Kingdom" "United Kingdom" "United States" 
## [2833] "United States"  "United States"  "United States"  "Singapore"     
## [2837] "United Kingdom" "United States"  "Switzerland"    "Switzerland"   
## [2841] "Singapore"      "Switzerland"    "United States"  "United States" 
## [2845] "United States"  "Singapore"      "United States"  "United States" 
## [2849] "United Kingdom" "other"          "Switzerland"    "United States" 
## [2853] "other"          "United States"  "Switzerland"    "Singapore"     
## [2857] "Switzerland"    "United Kingdom" "United States"  "Switzerland"   
## [2861] "Singapore"      "other"          "Switzerland"    "Switzerland"   
## [2865] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [2869] "United States"  "United States"  "United States"  "Singapore"     
## [2873] "United States"  "Switzerland"    "United Kingdom" "United Kingdom"
## [2877] "Switzerland"    "other"          "United States"  "United States" 
## [2881] "United States"  "other"          "Switzerland"    "Switzerland"   
## [2885] "Singapore"      "United States"  "Switzerland"    "Switzerland"   
## [2889] "Switzerland"    "United States"  "Switzerland"    "United Kingdom"
## [2893] "Singapore"      "United States"  "Switzerland"    "Singapore"     
## [2897] "Singapore"      "Singapore"      "Switzerland"    "United States" 
## [2901] "Singapore"      "Switzerland"    "United Kingdom" "Switzerland"   
## [2905] "other"          "Switzerland"    "United States"  "United States" 
## [2909] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [2913] "United States"  "other"          "United Kingdom" "United States" 
## [2917] "United States"  "other"          "Switzerland"    "Switzerland"   
## [2921] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [2925] "other"          "Switzerland"    "Switzerland"    "Switzerland"   
## [2929] "United States"  "United States"  "United States"  "United Kingdom"
## [2933] "United Kingdom" "Singapore"      "Singapore"      "United States" 
## [2937] "United States"  "United States"  "United States"  "other"         
## [2941] "United Kingdom" "United Kingdom" "other"          "United States" 
## [2945] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [2949] "Switzerland"    "Switzerland"    "United States"  "Singapore"     
## [2953] "Switzerland"    "Switzerland"    "United States"  "United Kingdom"
## [2957] "United States"  "United States"  "United States"  "United States" 
## [2961] "Singapore"      "Switzerland"    "Singapore"      "Switzerland"   
## [2965] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [2969] "United States"  "Switzerland"    "Switzerland"    "United States" 
## [2973] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [2977] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [2981] "United Kingdom" "Switzerland"    "Switzerland"    "United States" 
## [2985] "United Kingdom" "United States"  "United States"  "Switzerland"   
## [2989] "Singapore"      "United States"  "United States"  "other"         
## [2993] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [2997] "other"          "United States"  "Switzerland"    "Switzerland"   
## [3001] "Switzerland"    "other"          "Singapore"      "United States" 
## [3005] "Switzerland"    "United Kingdom" "Switzerland"    "Switzerland"   
## [3009] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3013] "United States"  "United Kingdom" "United States"  "United States" 
## [3017] "United States"  "Switzerland"    "Switzerland"    "United Kingdom"
## [3021] "other"          "United States"  "Switzerland"    "Singapore"     
## [3025] "United States"  "United States"  "other"          "Switzerland"   
## [3029] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3033] "Switzerland"    "Switzerland"    "United States"  "other"         
## [3037] "United Kingdom" "Singapore"      "Switzerland"    "Singapore"     
## [3041] "Switzerland"    "United States"  "other"          "United Kingdom"
## [3045] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [3049] "United States"  "United States"  "Switzerland"    "United Kingdom"
## [3053] "Switzerland"    "United Kingdom" "United Kingdom" "United Kingdom"
## [3057] "United States"  "United Kingdom" "United States"  "United States" 
## [3061] "United States"  "United Kingdom" "United States"  "other"         
## [3065] "United Kingdom" "Switzerland"    "Switzerland"    "United States" 
## [3069] "United States"  "United Kingdom" "Switzerland"    "United States" 
## [3073] "United States"  "Switzerland"    "Switzerland"    "Switzerland"   
## [3077] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [3081] "other"          "United States"  "United Kingdom" "Switzerland"   
## [3085] "United States"  "Switzerland"    "Switzerland"    "United States" 
## [3089] "United States"  "United States"  "other"          "other"         
## [3093] "United States"  "United States"  "United States"  "United Kingdom"
## [3097] "Switzerland"    "other"          "Singapore"      "United States" 
## [3101] "Switzerland"    "United States"  "United Kingdom" "Switzerland"   
## [3105] "other"          "other"          "United States"  "United Kingdom"
## [3109] "United States"  "Switzerland"    "United Kingdom" "Switzerland"   
## [3113] "United States"  "United States"  "Switzerland"    "United Kingdom"
## [3117] "other"          "Switzerland"    "Switzerland"    "United States" 
## [3121] "United States"  "Switzerland"    "Switzerland"    "other"         
## [3125] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [3129] "Switzerland"    "Switzerland"    "Switzerland"    "United Kingdom"
## [3133] "United States"  "Switzerland"    "United States"  "United Kingdom"
## [3137] "Singapore"      "United States"  "United Kingdom" "Singapore"     
## [3141] "Switzerland"    "Switzerland"    "Singapore"      "Switzerland"   
## [3145] "Singapore"      "other"          "Switzerland"    "United States" 
## [3149] "Switzerland"    "United Kingdom" "United States"  "Switzerland"   
## [3153] "Switzerland"    "Switzerland"    "Switzerland"    "United Kingdom"
## [3157] "Switzerland"    "Switzerland"    "United Kingdom" "United Kingdom"
## [3161] "United States"  "United States"  "Singapore"      "Singapore"     
## [3165] "Singapore"      "United States"  "Switzerland"    "United States" 
## [3169] "other"          "United Kingdom" "other"          "United Kingdom"
## [3173] "United States"  "Switzerland"    "other"          "Switzerland"   
## [3177] "United States"  "Switzerland"    "other"          "United States" 
## [3181] "United States"  "Switzerland"    "Switzerland"    "United States" 
## [3185] "United Kingdom" "Singapore"      "United States"  "Singapore"     
## [3189] "United States"  "United States"  "Singapore"      "Switzerland"   
## [3193] "Switzerland"    "Switzerland"    "other"          "United Kingdom"
## [3197] "United Kingdom" "United States"  "Switzerland"    "Switzerland"   
## [3201] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3205] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [3209] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3213] "United States"  "United Kingdom" "Switzerland"    "Switzerland"   
## [3217] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3221] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
## [3225] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [3229] "Switzerland"    "United States"  "Switzerland"    "United States" 
## [3233] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [3237] "Switzerland"    "United States"  "Singapore"      "United States" 
## [3241] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3245] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [3249] "United States"  "Switzerland"    "United Kingdom" "United Kingdom"
## [3253] "United Kingdom" "United Kingdom" "Switzerland"    "Switzerland"   
## [3257] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [3261] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3265] "Singapore"      "Switzerland"    "Switzerland"    "Switzerland"   
## [3269] "United States"  "other"          "United States"  "Switzerland"   
## [3273] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [3277] "United Kingdom" "United States"  "United States"  "Switzerland"   
## [3281] "Switzerland"    "Switzerland"    "United Kingdom" "Switzerland"   
## [3285] "Switzerland"    "Switzerland"    "Switzerland"    "Singapore"     
## [3289] "United Kingdom" "Switzerland"    "United States"  "United States" 
## [3293] "Switzerland"    "Switzerland"    "United Kingdom" "United States" 
## [3297] "Singapore"      "United Kingdom" "United States"  "United Kingdom"
## [3301] "Singapore"      "United Kingdom" "United States"  "Switzerland"   
## [3305] "United States"  "Switzerland"    "Switzerland"    "United States" 
## [3309] "United States"  "Switzerland"    "United States"  "United Kingdom"
## [3313] "United Kingdom" "United Kingdom" "Switzerland"    "United States" 
## [3317] "Switzerland"    "United Kingdom" "Switzerland"    "United States" 
## [3321] "United States"  "United States"  "United States"  "Switzerland"   
## [3325] "Singapore"      "other"          "United States"  "Switzerland"   
## [3329] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [3333] "United States"  "Switzerland"    "Switzerland"    "United Kingdom"
## [3337] "United States"  "Switzerland"    "Switzerland"    "Switzerland"   
## [3341] "Switzerland"    "United States"  "United Kingdom" "Switzerland"   
## [3345] "Switzerland"    "other"          "Switzerland"    "Switzerland"   
## [3349] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3353] "Switzerland"    "United Kingdom" "Switzerland"    "Singapore"     
## [3357] "Switzerland"    "Switzerland"    "other"          "United States" 
## [3361] "United States"  "United Kingdom" "other"          "United States" 
## [3365] "United Kingdom" "Switzerland"    "Switzerland"    "Switzerland"   
## [3369] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3373] "Switzerland"    "Switzerland"    "United Kingdom" "United States" 
## [3377] "Switzerland"    "United States"  "United States"  "United States" 
## [3381] "United Kingdom" "United States"  "Switzerland"    "United Kingdom"
## [3385] "Switzerland"    "other"          "other"          "other"         
## [3389] "Switzerland"    "United States"  "United States"  "Switzerland"   
## [3393] "Singapore"      "United States"  "United States"  "Switzerland"   
## [3397] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [3401] "United Kingdom" "United States"  "United Kingdom" "United States" 
## [3405] "Switzerland"    "Switzerland"    "United States"  "United Kingdom"
## [3409] "United States"  "Switzerland"    "Switzerland"    "Switzerland"   
## [3413] "United States"  "Switzerland"    "Switzerland"    "United Kingdom"
## [3417] "other"          "Switzerland"    "United States"  "United States" 
## [3421] "other"          "United Kingdom" "other"          "United States" 
## [3425] "United States"  "Switzerland"    "United States"  "other"         
## [3429] "Singapore"      "United Kingdom" "United States"  "United States" 
## [3433] "Singapore"      "United Kingdom" "Switzerland"    "Switzerland"   
## [3437] "Switzerland"    "United States"  "other"          "United Kingdom"
## [3441] "Switzerland"    "United States"  "United States"  "United States" 
## [3445] "United States"  "Switzerland"    "United States"  "United States" 
## [3449] "United States"  "United States"  "United States"  "United States" 
## [3453] "United States"  "Singapore"      "Switzerland"    "United States" 
## [3457] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [3461] "Switzerland"    "United States"  "United States"  "United Kingdom"
## [3465] "Switzerland"    "United States"  "United Kingdom" "United Kingdom"
## [3469] "United States"  "United States"  "Switzerland"    "United States" 
## [3473] "United States"  "United States"  "Switzerland"    "other"         
## [3477] "United Kingdom" "United Kingdom" "other"          "Switzerland"   
## [3481] "Switzerland"    "other"          "Switzerland"    "Switzerland"   
## [3485] "United States"  "United Kingdom" "United States"  "United States" 
## [3489] "United States"  "Switzerland"    "Switzerland"    "Switzerland"   
## [3493] "United States"  "United States"  "United States"  "Switzerland"   
## [3497] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [3501] "United States"  "other"          "United States"  "Singapore"     
## [3505] "United States"  "Switzerland"    "United States"  "United States" 
## [3509] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [3513] "Switzerland"    "United States"  "United States"  "United Kingdom"
## [3517] "United Kingdom" "United States"  "Switzerland"    "other"         
## [3521] "United States"  "United States"  "United States"  "United States" 
## [3525] "Singapore"      "United States"  "United States"  "United States" 
## [3529] "United States"  "other"          "Switzerland"    "Switzerland"   
## [3533] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [3537] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [3541] "United States"  "other"          "United States"  "United Kingdom"
## [3545] "other"          "other"          "Switzerland"    "United States" 
## [3549] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [3553] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [3557] "United States"  "United Kingdom" "United States"  "United States" 
## [3561] "other"          "United States"  "United States"  "United Kingdom"
## [3565] "United Kingdom" "United States"  "Switzerland"    "United States" 
## [3569] "Switzerland"    "other"          "Switzerland"    "United Kingdom"
## [3573] "United States"  "United States"  "United Kingdom" "United Kingdom"
## [3577] "United States"  "United States"  "United States"  "other"         
## [3581] "United States"  "United Kingdom" "United States"  "United States" 
## [3585] "United States"  "Singapore"      "United States"  "United States" 
## [3589] "Switzerland"    "Switzerland"    "United States"  "other"         
## [3593] "other"          "United States"  "United States"  "United States" 
## [3597] "United States"  "United States"  "United States"  "United Kingdom"
## [3601] "United Kingdom" "United Kingdom" "other"          "United States" 
## [3605] "United States"  "United States"  "United States"  "United States" 
## [3609] "United States"  "United Kingdom" "United States"  "other"         
## [3613] "Switzerland"    "Switzerland"    "United Kingdom" "United States" 
## [3617] "United States"  "United States"  "United Kingdom" "Switzerland"   
## [3621] "United Kingdom" "other"          "United Kingdom" "United States" 
## [3625] "United States"  "Switzerland"    "United States"  "United Kingdom"
## [3629] "United Kingdom" "United Kingdom" "United Kingdom" "Switzerland"   
## [3633] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3637] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [3641] "Switzerland"    "Switzerland"    "United Kingdom" "United Kingdom"
## [3645] "United States"  "United States"  "United States"  "Singapore"     
## [3649] "Singapore"      "other"          "Singapore"      "other"         
## [3653] "United Kingdom" "Singapore"      "Switzerland"    "United Kingdom"
## [3657] "Switzerland"    "Singapore"      "United States"  "other"         
## [3661] "United Kingdom" "United States"  "United States"  "United States" 
## [3665] "United States"  "other"          "United States"  "United Kingdom"
## [3669] "United Kingdom" "United Kingdom" "other"          "United States" 
## [3673] "United States"  "other"          "Switzerland"    "Switzerland"   
## [3677] "Switzerland"    "other"          "United States"  "United States" 
## [3681] "Switzerland"    "Switzerland"    "other"          "United Kingdom"
## [3685] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3689] "United States"  "United Kingdom" "United Kingdom" "United Kingdom"
## [3693] "Switzerland"    "United Kingdom" "United Kingdom" "United Kingdom"
## [3697] "other"          "Singapore"      "United States"  "Switzerland"   
## [3701] "United Kingdom" "Switzerland"    "United States"  "other"         
## [3705] "Switzerland"    "Switzerland"    "United Kingdom" "Switzerland"   
## [3709] "Switzerland"    "Switzerland"    "United Kingdom" "Switzerland"   
## [3713] "United States"  "United States"  "United States"  "United States" 
## [3717] "Switzerland"    "United Kingdom" "other"          "Switzerland"   
## [3721] "other"          "Switzerland"    "United Kingdom" "United Kingdom"
## [3725] "United States"  "Switzerland"    "Switzerland"    "other"         
## [3729] "Switzerland"    "United Kingdom" "Switzerland"    "United Kingdom"
## [3733] "Switzerland"    "United Kingdom" "United States"  "Switzerland"   
## [3737] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3741] "other"          "United States"  "Switzerland"    "United States" 
## [3745] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3749] "United States"  "Singapore"      "Switzerland"    "other"         
## [3753] "Singapore"      "Switzerland"    "United States"  "United States" 
## [3757] "Switzerland"    "Singapore"      "Switzerland"    "Singapore"     
## [3761] "Switzerland"    "Switzerland"    "United Kingdom" "Singapore"     
## [3765] "United Kingdom" "Singapore"      "Switzerland"    "United Kingdom"
## [3769] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3773] "Switzerland"    "Switzerland"    "Switzerland"    "United Kingdom"
## [3777] "Switzerland"    "United States"  "United States"  "United States" 
## [3781] "other"          "United States"  "Switzerland"    "Switzerland"   
## [3785] "Singapore"      "Switzerland"    "Switzerland"    "Switzerland"   
## [3789] "Switzerland"    "United States"  "Switzerland"    "Switzerland"   
## [3793] "other"          "United States"  "other"          "Switzerland"   
## [3797] "Singapore"      "other"          "other"          "other"         
## [3801] "United Kingdom" "Switzerland"    "Singapore"      "United Kingdom"
## [3805] "Switzerland"    "Switzerland"    "Switzerland"    "United States" 
## [3809] "United States"  "Switzerland"    "Switzerland"    "Switzerland"   
## [3813] "Singapore"      "Singapore"      "Switzerland"    "Singapore"     
## [3817] "other"          "United Kingdom" "Switzerland"    "Singapore"     
## [3821] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3825] "Switzerland"    "Switzerland"    "United States"  "other"         
## [3829] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3833] "other"          "Switzerland"    "Switzerland"    "United Kingdom"
## [3837] "Singapore"      "United States"  "other"          "Switzerland"   
## [3841] "other"          "United States"  "United Kingdom" "other"         
## [3845] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [3849] "Switzerland"    "other"          "other"          "other"         
## [3853] "United States"  "Switzerland"    "United Kingdom" "United Kingdom"
## [3857] "United Kingdom" "United States"  "Singapore"      "United Kingdom"
## [3861] "United Kingdom" "Switzerland"    "United States"  "Singapore"     
## [3865] "Singapore"      "Switzerland"    "United States"  "United States" 
## [3869] "United States"  "United States"  "United States"  "United States" 
## [3873] "United States"  "United States"  "United States"  "United States" 
## [3877] "Switzerland"    "United Kingdom" "other"          "other"         
## [3881] "Singapore"      "Singapore"      "other"          "other"         
## [3885] "Switzerland"    "Switzerland"    "other"          "other"         
## [3889] "other"          "other"          "other"          "Switzerland"   
## [3893] "United States"  "Switzerland"    "United States"  "Switzerland"   
## [3897] "Switzerland"    "United Kingdom" "Singapore"      "Switzerland"   
## [3901] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3905] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3909] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3913] "United States"  "Switzerland"    "Switzerland"    "United States" 
## [3917] "United States"  "other"          "other"          "United States" 
## [3921] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3925] "Singapore"      "other"          "Switzerland"    "Switzerland"   
## [3929] "Switzerland"    "United Kingdom" "Switzerland"    "other"         
## [3933] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [3937] "United States"  "United States"  "United States"  "United States" 
## [3941] "United States"  "Switzerland"    "United States"  "other"         
## [3945] "Switzerland"    "Singapore"      "Switzerland"    "Singapore"     
## [3949] "other"          "Switzerland"    "other"          "Switzerland"   
## [3953] "Switzerland"    "Switzerland"    "other"          "Switzerland"   
## [3957] "Switzerland"    "Singapore"      "United Kingdom" "other"         
## [3961] "United Kingdom" "United Kingdom" "other"          "Switzerland"   
## [3965] "Switzerland"    "Switzerland"    "United States"  "Switzerland"   
## [3969] "Switzerland"    "Switzerland"    "Switzerland"    "Switzerland"   
## [3973] "Switzerland"    "other"          "Switzerland"    "Singapore"     
## [3977] "Singapore"      "Switzerland"    "United States"  "United States" 
## [3981] "other"          "United Kingdom" "United Kingdom" "United Kingdom"
## [3985] "United Kingdom" "other"          "United States"  "United Kingdom"
## [3989] "United Kingdom" "Switzerland"    "United States"  "United States" 
## [3993] "other"          "Switzerland"    "Singapore"      "Switzerland"   
## [3997] "United Kingdom" "Singapore"      "United States"  "United States" 
## [4001] "United States"  "United Kingdom" "United States"  "other"         
## [4005] "United States"  "United States"  "United States"  "United States" 
## [4009] "United Kingdom" "United States"  "United States"  "other"         
## [4013] "Singapore"      "other"          "United States"  "other"         
## [4017] "Singapore"      "United States"  "United Kingdom" "Switzerland"   
## [4021] "United Kingdom" "Switzerland"    "other"          "United Kingdom"
## [4025] "other"          "Switzerland"    "other"          "United Kingdom"
## [4029] "United States"  "United States"  "United States"  "other"         
## [4033] "United States"  "Switzerland"    "other"          "United States" 
## [4037] "other"          "United States"  "Switzerland"    "United States" 
## [4041] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [4045] "United States"  "other"          "United States"  "United States" 
## [4049] "United States"  "United States"  "United Kingdom" "United States" 
## [4053] "other"          "United States"  "United States"  "United States" 
## [4057] "United States"  "United States"  "United States"  "United States" 
## [4061] "other"          "United Kingdom" "United States"  "United Kingdom"
## [4065] "United States"  "United States"  "other"          "United Kingdom"
## [4069] "United States"  "other"          "other"          "United Kingdom"
## [4073] "United States"  "United Kingdom" "United Kingdom" "United Kingdom"
## [4077] "United States"  "other"          "United States"  "other"         
## [4081] "Switzerland"    "United States"  "other"          "United States" 
## [4085] "United Kingdom" "United States"  "United States"  "other"         
## [4089] "United Kingdom" "Switzerland"    "United States"  "other"         
## [4093] "United States"  "Switzerland"    "Switzerland"    "United Kingdom"
## [4097] "United States"  "United Kingdom" "United States"  "other"         
## [4101] "United Kingdom" "United Kingdom" "United Kingdom" "United States" 
## [4105] "United States"  "other"          "other"          "Switzerland"   
## [4109] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [4113] "United States"  "United States"  "Switzerland"    "Switzerland"   
## [4117] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [4121] "other"          "United States"  "Singapore"      "other"         
## [4125] "other"          "Switzerland"    "other"          "Switzerland"   
## [4129] "United States"  "United States"  "United Kingdom" "other"         
## [4133] "United States"  "United States"  "United States"  "United States" 
## [4137] "United States"  "United States"  "United Kingdom" "United States" 
## [4141] "other"          "United States"  "Switzerland"    "United States" 
## [4145] "Switzerland"    "other"          "United Kingdom" "United States" 
## [4149] "Switzerland"    "United States"  "United Kingdom" "United States" 
## [4153] "United States"  "Switzerland"    "United States"  "United Kingdom"
## [4157] "United States"  "United States"  "United Kingdom" "United Kingdom"
## [4161] "United Kingdom" "United Kingdom" "United Kingdom" "United Kingdom"
## [4165] "Switzerland"    "other"          "Switzerland"    "Switzerland"   
## [4169] "other"          "Singapore"      "other"          "United Kingdom"
## [4173] "United States"  "United States"  "United Kingdom" "United States" 
## [4177] "Switzerland"    "Switzerland"    "United Kingdom" "Switzerland"   
## [4181] "United Kingdom" "United States"  "other"          "other"         
## [4185] "United States"  "United States"  "Switzerland"    "United States" 
## [4189] "United Kingdom" "United States"  "other"          "Switzerland"   
## [4193] "United States"  "United States"  "United Kingdom" "United States" 
## [4197] "other"          "other"          "United States"  "Switzerland"   
## [4201] "United States"  "United States"  "United States"  "United States" 
## [4205] "Switzerland"    "other"          "United Kingdom" "other"         
## [4209] "United States"  "United Kingdom" "United Kingdom" "United States" 
## [4213] "United Kingdom" "United States"  "United States"  "United Kingdom"
## [4217] "United Kingdom" "United States"  "Switzerland"    "United States" 
## [4221] "United States"  "United Kingdom" "United States"  "United States" 
## [4225] "United States"  "United States"  "United States"  "other"         
## [4229] "other"          "United States"  "United States"  "other"         
## [4233] "other"          "Switzerland"    "United States"  "United States" 
## [4237] "United States"  "United States"  "United States"  "United States" 
## [4241] "Singapore"      "other"          "other"          "United States" 
## [4245] "Switzerland"    "United States"  "United States"  "United States" 
## [4249] "United States"  "Switzerland"    "other"          "United States" 
## [4253] "Switzerland"    "other"          "United States"  "United Kingdom"
## [4257] "Switzerland"    "United States"  "United States"  "United Kingdom"
## [4261] "other"          "United Kingdom" "United States"  "United States" 
## [4265] "United States"  "Switzerland"    "United States"  "United States" 
## [4269] "United States"  "United States"  "other"          "United States" 
## [4273] "United States"  "United Kingdom" "United States"  "United States" 
## [4277] "United States"  "United Kingdom" "United States"  "United States" 
## [4281] "United Kingdom" "United Kingdom" "Singapore"      "United States" 
## [4285] "Singapore"      "Singapore"      "other"          "other"         
## [4289] "other"          "other"          "United States"  "United States" 
## [4293] "Switzerland"    "United States"  "Singapore"      "Singapore"     
## [4297] "United States"  "Singapore"      "Switzerland"    "Switzerland"   
## [4301] "United States"  "Switzerland"    "other"          "United States" 
## [4305] "other"          "United Kingdom" "United Kingdom" "United States" 
## [4309] "United States"  "United Kingdom" "United States"  "United Kingdom"
## [4313] "United States"  "United States"  "United States"  "other"         
## [4317] "Switzerland"    "Switzerland"    "United States"  "United States" 
## [4321] "United Kingdom" "United States"  "United Kingdom" "Switzerland"   
## [4325] "Switzerland"    "United States"  "United States"  "United Kingdom"
## [4329] "United Kingdom" "United States"  "United Kingdom" "other"         
## [4333] "Switzerland"    "Switzerland"    "other"          "United States" 
## [4337] "other"          "United States"  "United States"  "United States" 
## [4341] "United Kingdom" "other"          "other"          "United States" 
## [4345] "United Kingdom" "United States"  "United Kingdom" "Switzerland"   
## [4349] "Switzerland"    "United States"  "Switzerland"    "United States" 
## [4353] "other"          "Switzerland"    "Switzerland"    "United Kingdom"
## [4357] "United Kingdom" "United States"  "United States"  "Switzerland"   
## [4361] "United States"  "United Kingdom" "United States"  "Switzerland"   
## [4365] "United States"  "other"          "other"          "United States" 
## [4369] "United States"  "United States"  "other"          "other"         
## [4373] "Switzerland"    "United States"  "United Kingdom" "United Kingdom"
## [4377] "United States"  "United States"  "United States"  "United States" 
## [4381] "United States"  "United States"  "United States"  "United States" 
## [4385] "United Kingdom" "United States"  "United Kingdom" "United States" 
## [4389] "United States"

4.3

class(my_data$product)
## [1] "character"
my_data$product[my_data$product=="Series A13"|my_data$product=="Series A2"]="Series A"
my_data$product[my_data$product=="Series B55"]="Series B"
summary(my_data$product)
##    Length     Class      Mode 
##      4389 character character

5.1

class(my_data$sale)
## [1] "integer"
my_data$sale = as.numeric(my_data$sale)
class(my_data$sale)
## [1] "numeric"
class(my_data$units)
## [1] "integer"
my_data$units = as.numeric(my_data$units)
class(my_data$units)
## [1] "numeric"
my_data$sale.per.unit = my_data$sale/my_data$units
class(my_data$sale.per.unit) # int/int -> numeric
## [1] "numeric"

5.2

class(my_data$rating)
## [1] "numeric"
my_data$rating.level[ 5 <= my_data$rating ] = "excellent"
my_data$rating.level[ 4 <= my_data$rating & my_data$rating < 5] = "satisfactory"
my_data$rating.level[ my_data$rating < 4] = "poor"

5.3

Create dummy variables for levels “biotech” and “environmental” from the “industry” variable.

class(my_data$industry)
## [1] "character"
my_data$biotech <- as.numeric(my_data$industry=="biotech")
my_data$environmental <- as.numeric(my_data$industry=="environmental")

5.4

Create a variable “priority”, in which a value of 1 is given for clients who are returning clients (“return.client” = 1) and have given a poor rating (“rating.level” = “poor”). Both conditions must be met.

class(my_data$return.client)
## [1] "integer"
class(my_data$rating.level)
## [1] "character"
my_data$priority = as.numeric( my_data$return.client==1 & my_data$rating.level=="poor")

6.1

Show the new dimensions of the dataset

dim(my_data)
## [1] 4389   14

6.2

Check the data types to make sure they are appropriate for the variable (ex. “product”, “industry”, and “country” variables should be factors)

summary(my_data)
##           id            sale             units          rating      
##            :   7   Min.   :    606   Min.   :  10   Min.   : 1.802  
##  8132236114:   3   1st Qu.:   7999   1st Qu.: 224   1st Qu.: 4.382  
##  3319268074:   3   Median :  12900   Median : 329   Median : 4.860  
##  3658159707:   3   Mean   :  16822   Mean   : 391   Mean   : 4.767  
##  8132236416:   3   3rd Qu.:  18900   3rd Qu.: 465   3rd Qu.: 5.242  
##  9811023409:   3   Max.   :4670000   Max.   :7785   Max.   :10.751  
##  (Other)   :4367                                                    
##    product            industry           country          return.client   
##  Length:4389        Length:4389        Length:4389        Min.   :0.0000  
##  Class :character   Class :character   Class :character   1st Qu.:0.0000  
##  Mode  :character   Mode  :character   Mode  :character   Median :0.0000  
##                                                           Mean   :0.3219  
##                                                           3rd Qu.:1.0000  
##                                                           Max.   :1.0000  
##                                                                           
##       year      sale.per.unit      rating.level          biotech      
##  Min.   :2004   Min.   :   1.367   Length:4389        Min.   :0.0000  
##  1st Qu.:2007   1st Qu.:  22.729   Class :character   1st Qu.:0.0000  
##  Median :2009   Median :  39.489   Mode  :character   Median :1.0000  
##  Mean   :2010   Mean   :  47.447                      Mean   :0.5284  
##  3rd Qu.:2013   3rd Qu.:  58.982                      3rd Qu.:1.0000  
##  Max.   :2016   Max.   :1122.273                      Max.   :1.0000  
##                                                                       
##  environmental       priority      
##  Min.   :0.0000   Min.   :0.00000  
##  1st Qu.:0.0000   1st Qu.:0.00000  
##  Median :0.0000   Median :0.00000  
##  Mean   :0.3602   Mean   :0.07952  
##  3rd Qu.:1.0000   3rd Qu.:0.00000  
##  Max.   :1.0000   Max.   :1.00000  
## 
str(my_data)
## 'data.frame':    4389 obs. of  14 variables:
##  $ id           : Factor w/ 7225 levels "012801847X","012803436X",..: 135 134 187 186 35 34 38 122 123 36 ...
##  $ sale         : num  10030 5499 32650 17900 27792 ...
##  $ units        : num  71 62 368 368 232 232 194 707 656 534 ...
##  $ rating       : num  4.61 4.01 5.79 5.19 5.63 ...
##  $ product      : chr  "Series A" "Series A" "Series C" "Series C" ...
##  $ industry     : chr  "tech" "environmental" "tech" "biotech" ...
##  $ country      : chr  "Switzerland" "Switzerland" "other" "other" ...
##  $ return.client: int  0 0 0 0 0 0 1 0 0 1 ...
##  $ year         : int  2004 2004 2004 2004 2004 2004 2004 2004 2004 2004 ...
##  $ sale.per.unit: num  141.3 88.7 88.7 48.6 119.8 ...
##  $ rating.level : chr  "satisfactory" "satisfactory" "excellent" "excellent" ...
##  $ biotech      : num  0 0 0 1 0 1 0 0 0 0 ...
##  $ environmental: num  0 1 0 0 0 0 0 0 0 0 ...
##  $ priority     : num  0 0 0 0 0 0 0 0 0 0 ...
##  - attr(*, "na.action")=Class 'omit'  Named int [1:3350] 229 230 232 233 235 237 241 243 245 246 ...
##   .. ..- attr(*, "names")= chr [1:3350] "229" "230" "232" "233" ...
my_data$product <- as.factor(my_data$product)
my_data$industry <- as.factor(my_data$industry)
my_data$country <- as.factor(my_data$country)
str(my_data)
## 'data.frame':    4389 obs. of  14 variables:
##  $ id           : Factor w/ 7225 levels "012801847X","012803436X",..: 135 134 187 186 35 34 38 122 123 36 ...
##  $ sale         : num  10030 5499 32650 17900 27792 ...
##  $ units        : num  71 62 368 368 232 232 194 707 656 534 ...
##  $ rating       : num  4.61 4.01 5.79 5.19 5.63 ...
##  $ product      : Factor w/ 4 levels "Delta","Series A",..: 2 2 4 4 2 2 2 4 4 2 ...
##  $ industry     : Factor w/ 3 levels "biotech","environmental",..: 3 2 3 1 3 1 3 3 3 3 ...
##  $ country      : Factor w/ 5 levels "other","Singapore",..: 3 3 1 1 4 4 5 3 3 5 ...
##  $ return.client: int  0 0 0 0 0 0 1 0 0 1 ...
##  $ year         : int  2004 2004 2004 2004 2004 2004 2004 2004 2004 2004 ...
##  $ sale.per.unit: num  141.3 88.7 88.7 48.6 119.8 ...
##  $ rating.level : chr  "satisfactory" "satisfactory" "excellent" "excellent" ...
##  $ biotech      : num  0 0 0 1 0 1 0 0 0 0 ...
##  $ environmental: num  0 1 0 0 0 0 0 0 0 0 ...
##  $ priority     : num  0 0 0 0 0 0 0 0 0 0 ...
##  - attr(*, "na.action")=Class 'omit'  Named int [1:3350] 229 230 232 233 235 237 241 243 245 246 ...
##   .. ..- attr(*, "names")= chr [1:3350] "229" "230" "232" "233" ...

7.1

Export dataset

write.csv(my_data,"LIU_Xukun.csv")

7.2

rewrite without index number

write.csv(my_data,"LIU_Xukun.csv",row.names = F)

CIS/STA 3920 - Data Mining for Business Analytics
Instructor: @ Charlie Terng
Student: @ Xukun LIU