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tmfmnk

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1600.31 (1,765th) 		Reputation
3,032 (55,783rd)
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Title Δ
Matching values based on row number 0.00
How to find if we have two or more equal minimum values in specific... -0.85
R exact selection based on %in% +1.00
Reference previous row in a data.frame +1.54
R function to identify cases where condition is met x number of tim... -1.65
Filter top n largest groups in data.frame +0.07
Find all packages that depend on a specific one +0.75
Combinations in the right order -0.48
How to extract lower and upper bound in numeric format from a confi... -0.12
Filtering ID's based on specified difference in values +0.18
how to aggregate multiple rows only different with permutation +2.43
How can I add an element to the beginning of a character in R condi... -1.58
Replace strings containing only blanks with NA +2.00
How can I create 5 year averages for multiple countries in a panel... 0.00
R: renaming levels of a factor using dplyr +2.45
Remove *all* duplicate rows, unless there's a "similar&quo... -0.25
Estimate how many consecutives true elements there is in a vector i... +2.14
How to compile the number of observations that follow a specific pa... 0.00
Find all row indices of dates that (when grouped) sum to a certain... -0.87
Defining episodes in longitudinal data 0.00
Remove the version number in the data frame in R column 0.00
Reshaping R dataframe (compute average of a column based on multipl... -1.50
How to convert numbers to letters based on the actual order of valu... -0.83
Creating new columns that go from 0 to the value in the variable of... -0.66
Select a random row in case of ties in a grouped df +2.49
R: Problem with calculating mean accuracy with strsplit function +0.02
How to count occurrences of single digits followed by a particular... +0.29
How can I sum a column of multiple datasets that do not have the sa... -0.75
how to get the number of shared and unshared True and false across... +2.51
Preferential removal of partial duplicates in a dataframe +1.08
Aggregate IDs given type min_date and max_date change through time +1.41
How to select multiple rows based on the other column? -0.15
Find out number of orders & order value per customer in first 3... 0.00
Compare and filter multiple rows based on their unique id -0.46
Reshape to long and complete with NAs +2.33
how to average rows based on two duplicated rows? +0.54
How to extract rows of a dataframe which match with an occurence? -0.42
Calculating stretches of consecutive values +2.36
Convert 3 columns dataframe to a matrix - Change the names of simil... 0.00
Select/Get names of all columns which have a negative value between... +1.86
R strptime issue when using %b to format a date +0.03
dplyr: Need help returning column index of first non-NA value in ev... +0.30
Filling the gap in the time series -1.86
Aggregating data with dates and factor variable 0.00
How to align columns with same name in r? +2.79
k_th smallest element per group in R +1.54
How to add a column with progressive number based on condition +2.49
Removing multiple words from a string using a vector instead of reg... -1.46
Create from a data frame a df with binary values depending on condi... -0.35
Frequency between couples of words +1.02