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1575.13 (3,482nd) 		Reputation
32,295 (3,688th)
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Title Δ
panel data: How to remove IDs with missing yearly information -0.54
access elements list for some values of a column +0.91
Returning a vector of positions using which.max +1.05
Drop column by name using [ without assigning name to data frame/ m... +1.17
Split string into single letters and remember position +1.16
Transform a dataframe +0.78
dplyr: Count number of matches of column A with several other colum... -0.49
Replace Zero by value of another variable +0.26
Extracting subset of character string between special characters -0.04
Add new column with column names +1.70
Determining the first occurence of a value by group and its positio... +0.63
Creating exhaustive case columns in R 0.00
How to apply a condition within a group +1.65
Recognising specific occurrences across columns to create a new var... +1.40
Return a string between two characters '.' -0.22
String between first two (.dots) -0.69
bind_rows to each group of tibble -1.39
filter data.frame based on reactive input +1.37
How to check if the values of vectors is decreasing 0.00
Moving data from right to left column in a tibble -0.29
conditionally paste information from one var to another +0.33
Extract list data from a column -0.13
How to replace single word line in multiple lines? +1.42
Count each character and store as <K,V> pair +2.15
Compare a nested list to a column in a dataframe -2.70
Implementation of LIFO in converting comma separated row values int... -2.12
Running ifelse statement by a variable -1.55
Return peak value from one data frame that occurs between two dates... +0.33
How to replace the certain character in certain position in the str... -0.61
Split vector into group by sequence 0.00
Group by and then summarize with more than one element +1.55
Confirm that two rows have data 0.00
fixed rolling window +1.47
New vector with letters representing unique combinations of other v... +0.20
which column is a duplicate column a duplicate of? -2.13
Iterating over words across vector of strings and applying change t... +0.83
REGEX to extract subdomains +0.05
create a new indicator variable based on values of existing variables +1.27
Filling missing dates in a sequence while keeping other values in t... -2.53
Max position of aggregated dataframe -0.17
Filter rows of a dataframe with an equal column value -0.66
Regexpr not working as expected +1.35
Efficiently complete numbers when gap is smaller than n +1.08
How to relate two different dataframes to make calculations 0.00
Assigning multiple variables to multiple values at once R? +0.36
Find the value in column X that corresponds to last missing value i... 0.00
Using substr() to delete a character -1.14
opposite of mutate_at dplyr -0.39
Create dummy-column based on another columns +1.04
Summarize word count in dplyr pipe +0.34