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Applying lapply on Multiple Data Frames in a List, R 0.00
Calculate derivative and use the result as a function -0.00
How to calculate the mean of one variable (sales) in respect to ano... +0.25
Subsetting matrices of different dimensions +2.20
R function does not return anticipated vector +0.03
How to calculate mean? +0.58
Drop rownames/colnames/names without explicitly setting those to NU... -1.05
Approximate the integral using Riemann sum +0.55
Stata: Regex search and replace on Integer variables -0.54
(command) if x==list in stata 0.00
In R, how to add the fitted value column to the original dataframe? -0.54
How to stack multiple matrices in R +1.47
Calculate variable based on criteria in r +2.59
Create a list of integer vectors +0.56
Convert date variable, in the form "JA11" to date in Stata 0.00
Sum values by criteria in r -1.58
Handling string variables inside collapse command +0.56
first-difference linear panel model variance in R and Stata 0.00
If-command in Stata 11 +0.08
Subsetting across multiple columns with empty cells +0.62
In R, how to replace values in multiple columns with a vector of va... -0.21
Merge rows in specific number +2.33
Running multiple, simple linear regressions from dataframe in R -0.91
Calculations within subsets of dataframe [R] +0.36
Get the means of sub groups of means in R +0.60
index a dataframe, create two lists one with sample and compare them -1.25
Apply "one-column function" to whole data frame -0.17
Error: no layers in plot 0.00
R data.frame ; get range of values in column -0.72
manipulating a data frame to extract information from columns names -0.48
Using apply function on a matrix with NA entries -1.03
Merge result of two cells if have the same column flag +0.22
Relevel a factor +1.36
create a new data frame with existing ones +2.61
How to show bars in ggplot2 in descending order of a numeric vector? +0.61
boot() generating an error on replacement - R 0.00
Keep rows with certain values within a data frame and delete all ot... +0.17
count the number of positive and negative numbers in a df -0.17
ddply and summing over values in a data.frame as part of the function +0.48
Using a function within ddply +0.08
Some specific calculation in a data.frame -1.39
subsetting matrix with id from another matrix -0.24
Use ddply on multiple dataframes and create corresponding new dataf... +0.11
Where can I find a key for stata's reg output? 0.00
sort by ID variable R +0.58
Extracting the "p adj" values from a TukeyHSD test 0.00
r sum several colmns by another column 0.00
R: for-loop with ddply +2.38
Sum and product over interval in R +1.60
How to get df2 in causality() Granger test in R 0.00