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eddi

Rating
1623.32 (1,012th) 		Reputation
42,998 (2,509th)
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Title Δ
Efficient way to modify a data frame in r +1.53
how to eliminate the rows of a matrix matching certain conditions?... 0.00
R how to identify distance of last occurance +1.18
Is there an fread analog for reading from stdin? +2.07
R foreach with .combine=rbindlist +0.49
Sum multiple columns +0.09
Exporting numeric vector as character to CSV +2.14
How to count a repeating repeating part of a sequence in R? +1.19
data.table time subset vs xts time subset 0.00
R apply function to rows of data frame using values as arguments -1.27
Consolidating multiple duplicated rows of a dataframe in R +0.49
How to copy a value in a vector to next position(s) in vector -0.47
Recode dataframe based on one column -1.06
Recursive function in R to find unique rows of a list of data tables +0.23
Fastest way to count occurrences of each unique element -0.23
R vectorized array data manipulation -0.76
R: matching rows of strings of 2 matrices 0.00
Conditional matching of two lists with multi-column data.frames -0.97
aggregate data frame and remove NA +2.13
how to resolve the warning in R 0.00
Changing values of variables depending on a factor +0.50
Row wise logical operation on Data Table in R -0.25
Check that all combinations occur equally often for specified colum... -0.64
data frame manipulation in R +0.51
Combine incomplete dataframes in R into matrix +1.57
How to calculate number of occurences per minute for a large dataset -0.13
R: condense indexes -1.41
What is the most efficient way to split a combined factor column in... 0.00
Differentiating between "Mr" and the Mr in "Mrs"... +0.51
apply merge to a list of data.frames +0.49
Write a dataframe with different number of decimal places per colum... 0.00
Check whether value in one dataframe is in another (larger) dataframe +0.34
Read many files, compute something, save results in dataframe (R) +1.99
Rownames with parentheses: are they allowed in R? -2.30
check two tables, if one has less rows - then add rows in 0.00
how to control output of data.frame in R 0.00
Getting the parse tree for a predefined function in R -0.95
rank sum score calculation on a data.frame +0.36
How to make R ignore duplicate entries in history? +2.32
Subsetting of Lists in R -1.70
Incorrect results from numeric comparison in R -0.80
Removing Duplicates in R +1.15
how to check if a word is a palindrome? +0.84
How to sum counts across tables that may contain partially differen... -0.81
Add column to data frame that shows frequency of variable +0.28
temporarily keying a data.table for merging 0.00
Rcpp equivalent for rowsum -0.47
R returning index elements -0.94
Elegantly assigning multiple columns in data.table with lapply() +2.01
R: How to load a fixed function 0.00