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1575.13 (3,482nd) 		Reputation
32,295 (3,688th)
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Title Δ
Apply function on each cell in a data.frame +0.83
How to recode multiple variables for a subset of a dataframe? +2.09
apply() to columns of data.frame 0.00
Different combinations of groups +1.26
Filter and Replace value in a column based on another column +1.26
Create dataframes based on differences in a column by a conditional... -2.17
how to loopover rows in R to split the column based on respective v... -0.47
replace one column vector based on another column condition -2.31
Unnest or unchop dataframe containing lists of different lengths +1.61
Combination of columns in a data frame +0.25
How to take difference between variable and lag determined by month... -0.60
How to check if my table matches criteria in another table 0.00
How can I separate time-series data into segments of continuous dat... 0.00
Remove factor from dataframe when it provides a certain value +0.40
Creating vector of all individual correlation 0.00
Creating a new variable based on prior history -0.75
how to execute function over the data frame +0.40
How can I replace the spaces in a string with two different charact... +0.44
Conditionally remove items from a list in R 0.00
variable filter condition -0.38
Replacing a date pattern -0.41
How to calculate standard deviation every 3 columns in a dataframe? 0.00
How to get the first row of a dataframe with names when there is on... +0.75
R: Conditionally select rows based on ther value and the average va... +1.09
Generating Mutiple Samples Pairs of extent n 0.00
conditional summation in dplyr -1.30
pasting variables into a mutate_at function to mutate specific colu... 0.00
One hot encode list of vectors -2.01
How to convert "heading" rows into new columns +1.03
Unite column names -1.57
calculating weighted sum of two columns with weights as two other c... -0.47
Grouping sequential values with "gap tolerance" -0.28
How can I use na.locf() for factor 'inputs'? +0.29
R Customer state concatenate string 0.00
Get intersection in data.frame of some variables without omitting o... +1.66
Extract same index elements from a list +0.57
Evaluate an operation in a dataframe's context +1.68
Mutate If Instance duplicate 0.00
Conditional Subset, Manipulate and Replace 0.00
Check if any combination of columns are equal some specific value i... +1.21
Show both Ns and proportions in two-way frequency table -1.84
Finding the number that is reapeated consecutively the most in a ve... -2.01
Get index of data.table column that matches a value +1.43
Sum Rows by Column Position Rather than name 0.00
How to count the factors in ordered sequence +0.51
Splitting numbers according to digit position -2.16
Calculating differences between next decreasing values +2.02
split data and re-arrange values based on split number -1.75
Duplicate rows times count column in r -2.02
split a data frame with duplicate splits and name the new list -1.37