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onyambu

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1564.02 (4,907th) 		Reputation
16,052 (8,712th)
Page: 1 2 3 4 5 ... 32
Title Δ
Mutate to remove all parenthesis (and contents) from string in R +1.52
Get an email form a String with dots and number using R +1.62
Calculating cell means of multiple matrices w/ NA values in R 0.00
Carry value forward in dataframe with condition +2.09
Converting milliseconds to hh:mm format by considering the rounding... -0.57
Join list of dataframes in sequence using full_join in R -2.40
Prevent x axis labels from moving to the top of plot when y axis is... 0.00
remove rows when it contains empty cells in r +2.18
Two Column R Dataframe to Named LIst +1.63
How do i add a column indicating label is unique 0.00
Counting instances of an event in a dataframe 0.00
Pivot wider without list cols or excessive rows being created -2.40
how to remove unwanted space after newline when using cat in r 0.00
R Pivot multiple columns from wide to long -2.42
Get the first non zero digit in R similar to Mathematica +1.34
How can I calculate the median, by factor, for multiple columns? +1.59
Different results for inverse of matrix 0.00
Replace words in data frame using list of words in another data fra... 0.00
Fast and accurate computation of studentized external residuals in R -0.49
sum of multiple columns based on column name -2.29
splitting a data frame column -- using the second capital letter as... +0.15
Creating grouped lists based on shared dictionary values in Python3 -1.18
Extract elements from list to create data frame +1.60
Replace consecutive repeat values based on different run lengths in R +0.43
Turn a dataframe into a named list of dataframes with names from a... +1.01
transform list of data frames to obtain means for df names and year... -0.59
R replace NA values in a dataframe column with existing values in o... +0.41
match one observation in one data frame to every observation in ano... -1.14
Creating multiple columns by computation in R +1.38
How to find the parentheses and calculate the percentage of element... 0.00
Conditionally replace values of one variable with values of another... -1.18
splitstackshape to split text based on different line separators \n... +2.29
How to gather columns based on the first part of the column name in... -0.58
Using lambda functions in groupby.agg, pandas +2.42
Case_when error 'x must be a character vector, not a double vec... 0.00
Multiply a set of values across a dataframe using dplyr -0.46
Counting number of elements based on two parameters in R -0.42
transitions in a sequence -1.88
Merge data with repeating rows in R 0.00
Add column from df2 to df1 based on match between df1 and df2 -0.12
How to create `id` for `pivot_longer()` -1.87
For loop through tuple A and increace tuple Ai given size N to Ni o... +1.84
Add a column in a dataframe which will include the average of the f... -2.00
Change the level of a factor based on the level of another factor -0.99
Change multiple vector classes in R at once -0.99
How to group rows in a range and consider a 3rd column? +0.88
How to manage a list of the different dimensions data frame (keep \... +0.86
What is the fast way to turn this vector into symmetric matrix? +1.72
Difference between last time in a group and last time on previous g... +1.69
Easy way to convert text columns to numeric -0.69