R multiple statistics for multiple columns with data.table
31844
How to call a function that returns multiple rows and columns in a data.table?
38881
evenly spreading data in to multiple columns
50752
Linear Regression and group by in R
52697
Apply a function to a subset of data.table columns, by column-indices instead of name
72860
data.table and table unexpected behavior
77039
Statistical test in R for count data
132276
How to sum data.frame column values?
119208
Hypothesis test for difference in medians among more than two samples
32937
Combine two data frames by rows (rbind) when they have different sets of columns
106186
How to analyze data with more than one associated categorical dependent variables?
72432
data.frame without ruining column names
128948
R data.table breaks in exported functions
64536
How to correctly treat multiple data points per each subject
19141
How to reorder data.table columns (without copying)
45771
Add (insert) a column between two columns in a data.frame
136871
R use ddply or aggregate
117343
Average of multiple columns