day 3 hw

Merge

rm(list = ls()) 
library(psych)

churn <- read.csv("~/Downloads/telecom_customer_churn.csv")
population <- read.csv("~/Downloads/telecom_zipcode_population.csv")

#names(churn)
#names(population)

merge_data <- merge( x = churn,
                     y = population,
                     by.x = "Zip.code",
                     by.y = "Zip.Code",
                     )

Summary

#summary(merge_data)
describe(merge_data)
                                  vars    n     mean       sd   median  trimmed
Zip.code                             1 7043 93486.07  1856.77 93518.00 93571.63
Customer.ID*                         2 7043  3522.00  2033.28  3522.00  3522.00
Gender*                              3 7043     1.50     0.50     2.00     1.51
Age                                  4 7043    46.51    16.75    46.00    46.05
Married*                             5 7043     1.48     0.50     1.00     1.48
Number.of.Dependents                 6 7043     0.47     0.96     0.00     0.23
City*                                7 7043   589.04   307.80   605.00   597.55
Latitude                             8 7043    36.20     2.47    36.21    36.06
Longitude                            9 7043  -119.76     2.15  -119.60  -119.73
Number.of.Referrals                 10 7043     1.95     3.00     0.00     1.32
Tenure.in.Months                    11 7043    32.39    24.54    29.00    31.44
Offer*                              12 7043     2.40     1.83     1.00     2.12
Phone.Service*                      13 7043     1.90     0.30     2.00     2.00
Avg.Monthly.Long.Distance.Charges   14 6361    25.42    14.20    25.69    25.41
Multiple.Lines*                     15 7043     2.33     0.64     2.00     2.40
Internet.Service*                   16 7043     1.78     0.41     2.00     1.85
Internet.Type*                      17 7043     2.88     1.18     3.00     2.97
Avg.Monthly.GB.Download             18 5517    26.19    19.59    21.00    23.57
Online.Security*                    19 7043     2.07     0.71     2.00     2.09
Online.Backup*                      20 7043     2.13     0.74     2.00     2.16
Device.Protection.Plan*             21 7043     2.13     0.74     2.00     2.16
Premium.Tech.Support*               22 7043     2.07     0.71     2.00     2.09
Streaming.TV*                       23 7043     2.17     0.76     2.00     2.21
Streaming.Movies*                   24 7043     2.17     0.76     2.00     2.21
Streaming.Music*                    25 7043     2.14     0.74     2.00     2.17
Unlimited.Data*                     26 7043     2.46     0.83     3.00     2.57
Contract*                           27 7043     1.75     0.85     1.00     1.69
Paperless.Billing*                  28 7043     1.59     0.49     2.00     1.62
Payment.Method*                     29 7043     1.50     0.60     1.00     1.43
Monthly.Charge                      30 7043    63.60    31.20    70.05    64.06
Total.Charges                       31 7043  2280.38  2266.22  1394.55  1966.73
Total.Refunds                       32 7043     1.96     7.90     0.00     0.00
Total.Extra.Data.Charges            33 7043     6.86    25.10     0.00     0.04
Total.Long.Distance.Charges         34 7043   749.10   846.66   401.44   605.63
Total.Revenue                       35 7043  3034.38  2865.20  2108.64  2660.75
Customer.Status*                    36 7043     2.40     0.88     3.00     2.51
Churn.Category*                     37 7043     1.67     1.28     1.00     1.36
Churn.Reason*                       38 7043     2.96     4.42     1.00     1.71
Population                          39 7043 22139.60 21152.39 17554.00 19503.96
                                       mad      min       max     range  skew
Zip.code                           2379.57 90001.00  96150.00   6149.00 -0.21
Customer.ID*                       2610.86     1.00   7043.00   7042.00  0.00
Gender*                               0.00     1.00      2.00      1.00 -0.02
Age                                  20.76    19.00     80.00     61.00  0.16
Married*                              0.00     1.00      2.00      1.00  0.07
Number.of.Dependents                  0.00     0.00      9.00      9.00  2.11
City*                               375.10     1.00   1106.00   1105.00 -0.21
Latitude                              3.22    32.56     41.96      9.41  0.31
Longitude                             2.74  -124.30   -114.19     10.11 -0.09
Number.of.Referrals                   0.00     0.00     11.00     11.00  1.45
Tenure.in.Months                     32.62     1.00     72.00     71.00  0.24
Offer*                                0.00     1.00      6.00      5.00  0.92
Phone.Service*                        0.00     1.00      2.00      1.00 -2.73
Avg.Monthly.Long.Distance.Charges    18.22     1.01     49.99     48.98  0.00
Multiple.Lines*                       1.48     1.00      3.00      2.00 -0.42
Internet.Service*                     0.00     1.00      2.00      1.00 -1.38
Internet.Type*                        1.48     1.00      4.00      3.00 -0.55
Avg.Monthly.GB.Download              13.34     2.00     85.00     83.00  1.18
Online.Security*                      1.48     1.00      3.00      2.00 -0.10
Online.Backup*                        1.48     1.00      3.00      2.00 -0.21
Device.Protection.Plan*               1.48     1.00      3.00      2.00 -0.21
Premium.Tech.Support*                 1.48     1.00      3.00      2.00 -0.11
Streaming.TV*                         1.48     1.00      3.00      2.00 -0.29
Streaming.Movies*                     1.48     1.00      3.00      2.00 -0.30
Streaming.Music*                      1.48     1.00      3.00      2.00 -0.22
Unlimited.Data*                       0.00     1.00      3.00      2.00 -1.02
Contract*                             0.00     1.00      3.00      2.00  0.49
Paperless.Billing*                    0.00     1.00      2.00      1.00 -0.38
Payment.Method*                       0.00     1.00      3.00      2.00  0.76
Monthly.Charge                       36.32   -10.00    118.75    128.75 -0.28
Total.Charges                      1808.40    18.80   8684.80   8666.00  0.96
Total.Refunds                         0.00     0.00     49.79     49.79  4.33
Total.Extra.Data.Charges              0.00     0.00    150.00    150.00  4.09
Total.Long.Distance.Charges         566.53     0.00   3564.72   3564.72  1.24
Total.Revenue                      2620.66    21.36  11979.34  11957.98  0.92
Customer.Status*                      0.00     1.00      3.00      2.00 -0.88
Churn.Category*                       0.00     1.00      6.00      5.00  1.91
Churn.Reason*                         0.00     1.00     21.00     20.00  2.65
Population                        23471.04    11.00 105285.00 105274.00  0.91
                                  kurtosis     se
Zip.code                             -1.17  22.12
Customer.ID*                         -1.20  24.23
Gender*                              -2.00   0.01
Age                                  -1.00   0.20
Married*                             -2.00   0.01
Number.of.Dependents                  4.44   0.01
City*                                -1.13   3.67
Latitude                             -1.16   0.03
Longitude                            -1.19   0.03
Number.of.Referrals                   0.72   0.04
Tenure.in.Months                     -1.39   0.29
Offer*                               -0.70   0.02
Phone.Service*                        5.43   0.00
Avg.Monthly.Long.Distance.Charges    -1.21   0.18
Multiple.Lines*                      -0.71   0.01
Internet.Service*                    -0.11   0.00
Internet.Type*                       -1.24   0.01
Avg.Monthly.GB.Download               0.63   0.26
Online.Security*                     -0.99   0.01
Online.Backup*                       -1.15   0.01
Device.Protection.Plan*              -1.15   0.01
Premium.Tech.Support*                -1.01   0.01
Streaming.TV*                        -1.21   0.01
Streaming.Movies*                    -1.21   0.01
Streaming.Music*                     -1.16   0.01
Unlimited.Data*                      -0.76   0.01
Contract*                            -1.44   0.01
Paperless.Billing*                   -1.86   0.01
Payment.Method*                      -0.40   0.01
Monthly.Charge                       -1.13   0.37
Total.Charges                        -0.23  27.00
Total.Refunds                        18.33   0.09
Total.Extra.Data.Charges             16.44   0.30
Total.Long.Distance.Charges           0.64  10.09
Total.Revenue                        -0.20  34.14
Customer.Status*                     -1.12   0.01
Churn.Category*                       2.76   0.02
Churn.Reason*                         6.36   0.05
Population                            0.32 252.05
library(dplyr)

Attaching package: 'dplyr'
The following objects are masked from 'package:stats':

    filter, lag
The following objects are masked from 'package:base':

    intersect, setdiff, setequal, union
zip_summary <- merge_data |>
  group_by(Zip.code) |>
  summarise(
    avg_pop = mean(Population, na.rm = TRUE),
    average_age = mean(Age, na.rm = TRUE)
  )

zip_summary
# A tibble: 1,626 × 3
   Zip.code avg_pop average_age
      <int>   <dbl>       <dbl>
 1    90001   54492        52.2
 2    90002   44586        50.2
 3    90003   58198        46.2
 4    90004   67852        39.4
 5    90005   43019        42.2
 6    90006   62784        37  
 7    90007   45025        43.8
 8    90008   30852        45.6
 9    90010    1957        30  
10    90011  101215        38.4
# ℹ 1,616 more rows