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Frank 2

Rating
1516.73 (39,535th) 		Reputation
103 (703,001st)
Page: 1
Title Δ
R data.table Aggregating rows by group conditionally +4.51
How to preserve `backticks` in R's quote() even though not need... 0.00
Merge a data.table and a list -0.17
I don't want to keep the column that was used to create a data.... +4.50
Can I access the total number of groups in a data.table in j? +3.80
Set multiple column classes from a vector in data.table -0.94
data.table: calculation condition on presence of value within group -0.15
Issues with selecting data.table columns via index -0.10
Conditionally test a data.table filter +4.76
Recode a variable using data.table package -1.20
Define empty data.table directly with the correct data type 0.00
Selecting rows in data.table by expression on a character column name +0.04
R :: data.table: Generate a running balance by group using previous... -1.59
Use of sequences in 'shift' with conditions +0.99
How to subset data.table using keys +4.01
subset in data.table when groups are empty -1.74