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Colonel Beauvel

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Title Δ
Efficient Way to Incrementally Count Unique Data Points in Data Frame -0.19
How to exit loop when there's an error +0.65
Count previous occurences of a string across multiple columns in R -1.37
Working with sums in R -0.53
Trying to avoid for loop with sapply (for gsub) +1.23
grep exact match excluding certain terms -0.62
An efficient way to indicate multiple indicator variables per row? +0.27
Counting with zero values in the apply function +2.13
R: Convert obscure table into matrix -1.24
R: Convert matrix to list of submatrices -0.02
How to turn a simple text expression into a mathematical expression... 0.00
Extracting a specific format substring (ID, code) from a string usi... +0.48
which(vector1 < vector2) -1.47
Split dataframe on filtered character and make multiple new columns -1.24
how to remove [ and ] from string in R -1.13
Change list items to name R -2.10
simple lookup in R by ID and Time -0.20
How to select columns by values in a row in R -2.27
gsub remove blank from index in R 0.00
Code doesn't print the last sequence in a file +0.07
R: column and row indices with largest values -0.52
How can I split a character string into column vectors with a 1/0 v... -0.22
Append list elements to data frame column +0.48
How to add new calculated variables to a data frame +1.66
R Subtract every element of vector A from every element of vector B -0.11
r reshape data using row with NA to identify new column -0.53
A summation in R software +0.47
Conversion of text in column to a dataframe -0.04
How to do Monte Carlo simulations in R 0.00
Replace or remove certain characters of string in a R data frame co... -0.52
Matrix with gradient ranging from certain value to zero -0.49
Resize / enlarge array and populate with NAs in R 0.00
Multilevel sort with dplyr -1.28
Calculating mean by selecting from two columns in a data frame +0.20
Extract a fixed-length character in R -0.38
How to merge two data.table by different column names? -0.52
How to select specific columns containing certain strings/characters? +0.48
Add data frames row wise with [d]plyr -1.72
How to group results, and have the counts of each group written int... +0.48
Warnings in R - making note +0.98
R- create new columns based on levels of a freq table variable +0.21
Speed up looping code for coordinate conversion 0.00
Convert a one column matrix to n x c matrix 0.00
How to use setorder function in R 0.00
Confusion about function arguments in R -0.91
Inserting missing time observations in a dataframe +0.48
R: split dataframe by multiple answers -1.31
R: combining matrices each time a row from one matrix with all rows... +2.27
Replace values in a data.frame column based on values in a differen... +0.09
How to plot using ggplot2 +1.48