bike2 <- read.table("bike_sharing_data.txt", sep="\t", header=TRUE)
bike1 <- read.table("bike_sharing_data.csv", sep=",", header=TRUE)
bike3 <- read.csv("bike_sharing_data.csv")
bike4 <- read.delim("bike_sharing_data.txt")
bike1[bike1$Rating>=4,]
##  [1] datetime   season     holiday    workingday weather    temp      
##  [7] atemp      humidity   windspeed  casual     registered count     
## [13] sources   
## <0 rows> (or 0-length row.names)
sort(table(bike1$season), decreasing = TRUE)
## 
##    3    2    1    4 
## 4496 4409 4242 4232
subset(bike1, (windspeed >= 40) & (season %in% c(1, 2)))
##               datetime season holiday workingday weather  temp  atemp humidity
## 1008   2/14/2011 15:00      1       0          1       1 22.96 26.515       21
## 1010   2/14/2011 17:00      1       0          1       1 18.86 22.725       33
## 1011   2/14/2011 18:00      1       0          1       1 16.40 20.455       40
## 1015   2/14/2011 22:00      1       0          1       1 13.94 14.395       46
## 1018    2/15/2011 1:00      1       0          1       1 12.30 12.120       42
## 1019    2/15/2011 2:00      1       0          1       1 11.48 11.365       41
## 1120    2/19/2011 9:00      1       0          0       1 16.40 20.455       16
## 1124   2/19/2011 13:00      1       0          0       1 18.04 21.970       16
## 1125   2/19/2011 14:00      1       0          0       1 18.86 22.725       15
## 1126   2/19/2011 15:00      1       0          0       1 18.04 21.970       16
## 1127   2/19/2011 16:00      1       0          0       1 18.04 21.970       16
## 1128   2/19/2011 17:00      1       0          0       1 17.22 21.210       19
## 1259   2/25/2011 14:00      1       0          1       3 22.96 26.515       56
## 1260   2/25/2011 15:00      1       0          1       1 18.86 22.725       41
## 1262   2/25/2011 17:00      1       0          1       1 13.12 13.635       49
## 1265   2/25/2011 20:00      1       0          1       1 12.30 12.880       49
## 1333   2/28/2011 19:00      1       0          1       3 18.04 21.970       88
## 1334   2/28/2011 20:00      1       0          1       3 18.04 21.970       88
## 1478    3/6/2011 21:00      1       0          0       3  9.84  9.090       93
## 1874   3/23/2011 20:00      2       0          1       3 14.76 15.150       87
## 2157    4/4/2011 17:00      2       0          1       1 30.34 32.575       23
## 2848    5/3/2011 13:00      2       0          1       2 28.70 32.575       58
## 8706    1/3/2012 13:00      1       0          1       1  7.38  6.060       34
## 8943   1/13/2012 11:00      1       0          1       1  9.84  9.090       38
## 9644   2/11/2012 18:00      1       0          0       2  9.02  9.090       47
## 9647   2/11/2012 21:00      1       0          0       1  5.74  3.790       43
## 9653    2/12/2012 3:00      1       0          0       2  4.10  2.275       46
## 9654    2/12/2012 4:00      1       0          0       2  4.10  2.275       46
## 9662   2/12/2012 12:00      1       0          0       1  5.74  3.790       39
## 9957   2/24/2012 21:00      1       0          1       1 17.22 21.210       35
## 9959   2/24/2012 23:00      1       0          1       1 15.58 19.695       37
## 9971   2/25/2012 11:00      1       0          0       1 12.30 12.880       39
## 9972   2/25/2012 12:00      1       0          0       1 13.12 13.635       29
## 10169   3/4/2012 18:00      1       0          0       1 13.12 13.635       33
## 10193   3/5/2012 18:00      1       0          1       3 11.48 11.365       55
## 10260   3/8/2012 13:00      1       0          1       2 24.60 31.060       49
## 10261   3/8/2012 14:00      1       0          1       2 25.42 31.060       43
## 10262   3/8/2012 15:00      1       0          1       1 26.24 31.060       38
## 10263   3/8/2012 16:00      1       0          1       2 25.42 31.060       41
## 10264   3/8/2012 17:00      1       0          1       1 25.42 31.060       38
## 10290   3/9/2012 19:00      1       0          1       1 17.22 21.210       28
## 10691  3/26/2012 13:00      2       0          1       1 19.68 23.485       29
## 10693  3/26/2012 15:00      2       0          1       1 19.68 23.485       29
## 10694  3/26/2012 16:00      2       0          1       1 19.68 23.485       25
## 11025   4/9/2012 12:00      2       0          1       1 22.14 25.760       28
## 17150  12/22/2012 8:00      1       0          0       1 10.66 10.605       44
## 17154 12/22/2012 12:00      1       0          0       1 12.30 12.880       36
## 17345 12/30/2012 13:00      1       0          0       1 12.30 12.880       36
##       windspeed casual registered count          sources
## 1008    43.9989     19         71    90 www.google.co.uk
## 1010    40.9973     25        218   243      ad campaign
## 1011    40.9973     11        194   205      ad campaign
## 1015    43.9989      1         44    45 www.google.co.uk
## 1018    51.9987      0          5     5    www.google.fi
## 1019    46.0022      1          2     3    www.google.fi
## 1120    43.9989     18         37    55      Ad Campaign
## 1124    40.9973     52        103   155          Twitter
## 1125    43.9989    102         94   196          Twitter
## 1126    50.0021     84         87   171      ad campaign
## 1127    43.0006     39         81   120             blog
## 1128    40.9973     36         91   127      Ad Campaign
## 1259    40.9973     22         55    77     www.bing.com
## 1260    54.0020     31         98   129 www.google.co.uk
## 1262    50.0021     13        180   193   www.google.com
## 1265    40.9973      3         66    69           direct
## 1333    40.9973      8         76    84      Twitter    
## 1334    40.9973      8         47    55    facebook page
## 1478    40.9973      1          6     7      ad campaign
## 1874    43.0006      3         42    45           direct
## 2157    40.9973     83        283   366      ad campaign
## 2848    40.9973     50        144   194    facebook page
## 8706    43.9989      5         68    73 www.google.co.uk
## 8943    40.9973     12        102   114    www.yahoo.com
## 9644    43.9989      3        105   108             <NA>
## 9647    43.0006      5         43    48      Twitter    
## 9653    46.0022      0         14    14    www.yahoo.com
## 9654    47.9988      0          1     1     www.bing.com
## 9662    43.0006      7        133   140      ad campaign
## 9957    54.0020     12        138   150      ad campaign
## 9959    46.0022      9         71    80          Twitter
## 9971    40.9973     29        155   184   www.google.com
## 9972    43.9989     49        218   267   www.google.com
## 10169   40.9973     20        164   184             <NA>
## 10193   43.9989     12        363   375    www.yahoo.com
## 10260   43.0006     35        198   233     www.bing.com
## 10261   43.0006     48        155   203      ad campaign
## 10262   46.0022     24        161   185      ad campaign
## 10263   43.0006     37        305   342      AD campaign
## 10264   43.9989     52        545   597             blog
## 10290   40.9973     12        232   244    www.google.fi
## 10691   46.0022     93        177   270   www.google.com
## 10693   40.9973     93        179   272      Twitter    
## 10694   43.0006     87        298   385 www.google.co.uk
## 11025   47.9988     94        186   280             <NA>
## 17150   40.9973      8         75    83      ad campaign
## 17154   43.9989     30        169   199    www.yahoo.com
## 17345   43.9989     28        152   180      ad campaign