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onyambu

Rating
1564.02 (4,907th) 		Reputation
16,052 (8,712th)
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Title Δ
R column mapping +0.12
Split numbers from letters in a mixed string of characters and put... -1.56
Fuzzy String Matching in R on numbers separated by hyphens 0.00
How to remove specific character from column in R +0.45
row bind matrices, zero out all rows but one +2.64
Replacing full name with last name and initial with messy data +0.49
For each col in my dataframe, perform a function and add its result... -0.43
Does `tfread` exist? +0.23
How to identify the Nth repetition of an element in a string? -0.69
Select observations in a column that meets a particular condition +0.04
Selecting rows based on multiple conditions +1.27
Merging two columns with NAs and duplicated values +0.03
Removing elements based on a partial string match between 2 data fr... 0.00
Reversing the input and output of an optimization in R 0.00
Add Named Columns to Data Frame in R +1.13
Select previous and following values in list in R 0.00
How create binary variable by comparison between row columns +0.53
How to Remove all the observation for a user after he reach certain... +0.55
melt correlation matrix in R -0.39
Subtract 1 letter and number from multiple strings of letters and n... -1.42
Numbers stick together as characters 0.00
Subset a data frame and store to different variables in R using loo... +1.47
String manipulation in R - removing extra text inside character str... +0.49
How can I select rows from a data frame with the highest variable i... 0.00
data.table: difference to first of group +0.54
Searching words in R -0.45
How do I count across a date range in an R datatable +0.16
Nested for loop, adding specific columns on each iterations 0.00
Converting list with different element lengths to data frame and or... -2.04
How to match two data frame with constraints in R? +2.08
How to put a comma between a pattern of characters? +1.53
How do you the return column(s) number(s) based on class of said co... 0.00
Row mapping in a dataframe through indexes in R 0.00
R generate list in data.frame from unique pairs +2.47
How to get the absolute difference between values in two columns in... -1.72
Find roots of the equation in R +0.18
Calculating cumulative products for different sequences +2.49
All combinations of letters/numbers under specific conditions -1.61
How to downsample? +2.24
R remove duplicated columns +2.13
How to improve lm output obtained with for loop in R? 0.00
stacking multiple columns of a data frame to make a single column +0.07
Aggregate on one filed and horizontal table on other 0.00
R extract unit of measure and attached number from string given lis... -1.55
R Passing parameters to lda() or qda() 0.00
Separate name from payment -0.33
r - duplicate records to indicate start and end times and flag them... -1.81
How to add certain number of rows based on values on the rows of an... -0.21
Best way to replace a nested for loop in R +0.34
Add a new column based on string values in R 0.00