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Jianfeng

Rating
1476.24 (4,508,315th) 		Reputation
126 (619,095th)
Page: 1
Title Δ
SAS: multiplyi observations and iterate a column -3.66
SAS code for multiple entries of primary key and corresponding data -3.09
permutations of choosing one element or other from two column matrix -4.43
Aggregate function in R using two columns simultaneously -1.33
How to obtain the number of records of a dataset in SAS +4.16
Difficulties adding data to R dataset 0.00
Using Dates in R +0.18
recode (car package) function - recodes argument and equals sign -2.94
Modify dates in POSIXct format in R using lubridate -1.22
Renaming a repeated observation in SAS -3.74
Create variable y=1 if row number between 1:200 -3.01
Counting complete cases by ID for several variables -1.12
How to do conditional replacement in R using "like" opera... 0.00
Concatenating 3 variable name in a new variable within a datastep b... +0.39
SAS proc export to CSV: how to add double quotes -3.92