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Jason Johnson

Rating
1510.70 (66,364th) 		Reputation
96 (741,482nd)
Page: 1
Title Δ
Identify groups of n consecutive numbers in a data.table field in a... -0.30
Linear interpolation over a list of data frames -4.11
compute rate by group +3.87
fwrite in data.table changed my string column to integer, how to fix? 0.00
Factor analysis not assigning to object 0.00
Writing loop/function to generate various linear regressions on sam... +3.96
How to return values assigned to a specific row in column order? -2.15
A faster way to change multiple variables +1.62
Using the row position in an sapply function 0.00
How to add quantile function to a data.table? 0.00
How to use lapply function to instead of for loop in a custom funct... +3.76
Casting with data.table in r based on a unique ID number that can a... -2.72
What does the error mean in a data.table with the function "se... 0.00
How to FILL DOWN (autofill) value , eg replace NA with first value... +3.78
Replace a column in a datatable by another column using dynamic ind... 0.00
Error encountered with using rbindlist: column 25 of result is dete... 0.00
When writing to an excel sheet, how can I add a new row each time I... -0.08
Replacing for-loops for Excel-like formula filling in dataframe/mat... -1.84
Expand multiple columns of data.table containing <list> obser... +4.43
Using FOR loop to fill in a data from in R (code review) +4.53
R: From panel structure to adjacency matrix or edge list? -4.05
undefined columns selected error in R when trying to subset using s... 0.00
'dictionary' list to data.table columns 0.00
3:1 matching with MatchIt in R. The number of matched control is no... 0.00