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Title Δ
strsplit doesn't always split on '?' -1.64
Recode month factor 0.00
How to create permutations of a logical vector? -1.19
How to subset columns in a dataframe based of elements in a binary... 0.00
aggregate by factor levels and also totals +0.36
How to perform "countif" for several rows in data frame? -1.14
add a new column with scaled values to all dataframes in a list -2.42
Replace duplicates with NAs within a row across columns -1.93
Melt basket dataframe to single dataframe without loops +1.02
Duplicate rows so that all columns remain the same but one column g... -0.00
Incidence matrix to locate specific information in a dataframe +0.74
Stack a named Date list to data.frame -0.98
Select random rows that match string -0.90
How to use dplyr:mutate to mulitply pairs of columns specified by p... +0.68
Reverse dataframe colnames around a delimiter? +0.32
Replace all NA values for variable with one row equal to 0 +1.01
How to group same observation in a dataframe to one group +0.33
Use for loop the check whether the column exist or not and create a... 0.00
Remove common values with one specific group -1.22
Combine pyspark dataframes +0.33
Filter Pandas dataframe based on combination of two columns -2.06
save a text of each row without merge 0.00
Apply two different formulas on four data frame columns -1.05
copy strings that match pattern from row in dataframe and put into... +1.45
difference between two comma separated strings +0.33
How to filter a data frame with conditions? +0.19
How to assign a variable for each group of a duplicate column based... 0.00
rowsum based on groupings or conditions in r +1.52
Finding the index or unique values from a dataframe column +1.56
Remove the first k-i elements from the ith entry of the list +1.21
replace groups based on condition +0.34
How to detect more than one regex in a case_when statement -0.70
add rows to data frame for non-observations +0.34
Dummy columns if row contains string +0.30
Data Frame alternately row binding in R +1.58
How to specify .csv delimiter while using Map() -0.75
vectorially calculating the product of specific columns -1.93
Correlations between numerous variables grouped in dplyr -1.28
Count values per year and based on other column -0.12
Prefix/suffix column content with column names +0.43
For Each Loop to convert into numeric values 0.00
How to summarise taking a random value from a categorical column? 0.00
After full_join() how to replace NAs in one source with data from o... -1.02
How to calculate common values across different groups? +1.91
How to find specific strings in dataframe using for loop? -0.66
How to Remove part of a String and Convert a Number +0.32
Filtering on grouped variable maintaining sequence +1.56
Multiplying elements of a column in skipping an element after each... -1.24
How do i select rows based on specific condition 0.00
A function to fill in a column with NA of the same type +0.63