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Rich Scriven

Rating
1662.72 (394th)
Reputation
79,691 (1,043rd)
Page: 1 ... 11 12 13 14 15 ... 40
Title Δ
Applying as.numeric only to elements of a list that can be coerced... -2.08
Best way to avoid plot.factor and the boxplot 0.00
How to "split" a text document or string of text in R so... +0.30
Parsing unstructured data - Append rows with non-existant values ro... +0.81
in R, using data.table package, how to do a subset with special var... 0.00
Adding values in two data.tables +1.43
invalid factor level, NA generated 0.00
Assigning letters as row names in R 0.00
R circular array/vector +1.51
Convert array of strings into array of objects in R 0.00
How to search for a specific column name in data 0.00
Is there a simple way to add dollar signs to a column? +0.31
In R Merging rows where a column has same value but different case +0.82
What is the fastest way to calculate how many rows in a matrix are... +0.36
I want to generate combinations of 5 names from a column in an R da... 0.00
What causes this weird behaviour in the randomForest.partialPlot fu... 0.00
extract a pattern with dot substring from a string in R +1.43
Use syntactically invalid names in j data.table -0.68
grep or gsub for everything except a specific string in R +1.55
Fill in columns with 1 or 0, if that colname matches a variable fou... +1.10
transform an attribute to 0 or 1 0.00
R: How to perform an "outer product" between a vector and... 0.00
R coding How to add a column and populate it based on values from t... 0.00
lapply : Finding sum or mean instead of count 0.00
Simple function in r 0.00
Splitting range of values in one cell to multiple observations usin... -2.07
"object not found" when using .SD and expression in .by t... 0.00
Convert Univariate Contingecy Table to Data Frame in R 0.00
How to run a loop on the elements in workspace? +0.33
R data.table package and complex values 0.00
Perform calculation on one column based on other columns in an R da... +1.95
Loop over dataframes to create new variable +1.98
Error in R Programming: Need help to fix it 0.00
Multiple IDs list in tapply +1.38
Data frame list - Adding a new column based on data frame name -0.51
Update matrix using matrix of indices in R 0.00
How to find the first smaller value compared to the current row in... +0.31
Count number of factor levels that match a character string in R 0.00
How to extract value at "final visit" from a data set wit... +2.03
How do I keep strings in first column with tidyr::gather? 0.00
How to calculate the mean of vectors from multiple lists? 0.00
How would I exchange two elements of a vector in one R call? +1.56
Using apply function to average dataframe groups +0.39
Create sequence pattern in R 0.00
Filter data frame based on duplicates in columns +0.96
Have select in dplyr use more than one patterns to match 0.00
Making a list of numbers without a loop in r 0.00
R: Conditional writing into new vector +1.27
Format table of percentages in R +0.33
adding values to the vector inside for loop in R 0.00