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mt1022

Rating
1608.27 (1,461st) 		Reputation
10,268 (14,822nd)
Page: 1 2 3 4 ... 7
Title Δ
How to get the first value of a column that satisfies a condition w... -1.06
How to get every nth element from each group in a grouped data frame -0.45
Create the mean for all possible combinations of 5 different variab... 0.00
Importing csv with unquoted strings with commas; for every line- ig... +2.23
How to disambiguate repeated strings by appending varying length st... -2.02
How to multiply vectors of different sized lists in R 0.00
dplyr: list of vectors to data frame with rbind_all vs bind_rows +1.68
R - regex: W metacharacter not working when within square brackets 0.00
R: create single new column based upon matching string in multiple... -0.43
Variables in function arguments do not pass to cluster when paralle... +1.61
Remove attributes from data read in readr::read_csv 0.00
Duplicated variables in one legend (not common problem as far as I... 0.00
Doing a "fuzzyjoin" (and non-fuzzyjoin) in combination wi... 0.00
Cross-join like operation (with exceptions) 0.00
How to use which.min from another table by row +2.02
R data.table - How to explode a nested array? -0.75
Create a 0-1 dataframe based on matching values in column names and... +0.61
Select or subset variables whose column sums are not zero +0.34
assigning `pmap` output to dataframes with pattern names 0.00
How to resample and remodel n times by vectorization? 0.00
Form nested list to network object 0.00
Generate a matrix with a specific number repetitions for specific n... 0.00
selective jitter of geom_points -2.58
How to add a new column based on rows with a pattern and a sequence... 0.00
Column linking problem on Parent_ID and Extension in R 0.00
R Frequency table with condition +0.38
Check conditions using the value of a specific column and its previ... +0.37
String as formula -1.52
fread to read top n rows from a large file +0.35
reticulate: Unable to configure python3 0.00
grep names using regex from data table +0.71
R How to get superscript in text with a bracket before the superscr... -2.12
NA values and extra rows when spreading repeated measures of multip... 0.00
Limit na.locf in zoo package +0.13
Store first non-missing value in a new column +2.03
How to add row which depends on last row using dpylr and lubridate? +1.45
fill a specific amount of rows of data.table with previous value -0.49
Subset strings in R +0.43
Replace values in ordered columns named by year, from columns indic... -2.41
combination in R without repeat 0.00
how to print a variable number of arguments in r? 0.00
Applying custom function to each row uses only first value of argum... -0.24
Move a column conveniently -1.75
Repeating rows based on the collective count mentioned in the respe... +1.54
mapping matrices R -0.17
Tidyverse solution for Counting nulls from multiple fields 0.00
Efficient way to turn a matrix into a triplet (i,j,v) +0.56
Automatically - "Convert numbers stored as text to numbers" +1.19
Sorting lists by purrr::transpose but some value is missing +1.54
Combine select helpers and predicate function to mutate in dplyr -1.01