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IceCreamToucan

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1561.09 (5,405th)
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10,096 (15,111th)
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Title Δ
Faster Alternative to pairwise comparison using nested for loops in R 0.00
Grouping n or more observations in data table without interrputing... +1.91
How to calculate the sequence of start and end dates efficiently in... +1.20
Find the first rows in a data frame which meet a dynamic condition +0.03
concatenate between elements of a list based on regex pattern -1.08
Rebalancing portfolio with given weights +0.44
Can I do on-the-fly calculation on a column using data.table in r? -0.78
Taking max of one column for multiple rows in R 0.00
Ploting the Lasso L1 constraint 0.00
Why group_by does not working with max(colSums) in dplyr 0.00
Mutate or equivalent to add multiple columns returned from a functi... 0.00
R go back 3 months, always month end last day 0.00
R select 80% from each user for training -1.14
How create a dataframe in R that updates columns automatically when... -0.55
for each row in a data frame, find whether there is a "close&q... -1.44
Using str_split and removing duplicate values from the same record... -0.25
lapply & sapply on data.frame to test all elements in each colu... +0.11
Remove line return in a string from the second "\n" and t... -1.25
Homogenize use of single and double digit numbers in string +0.08
Selective (or partial) sorting of vector elements in R +1.51
Grouping by ID column and collapsing Boolean columns for summary -0.54
R: filter rows which has at least one of particular values -0.62
Find strings that contain a sequence of characters regardless of th... -1.19
R: How to find the first non-zero element in a datframe by group +1.69
Process rows of R dataframe without loop in memory efficient way +1.18
Return value from first column to match condition +0.04
Subset data frame based on multiple conditions? -0.71
Turning a string of numbers into a list of numbers in R +1.72
How do I force R to keep time value when selecting date/time cell? 0.00
Inserting NA's during time gaps 0.00
Why is the result of `==` of class integer when used inside ave()? 0.00
Creating a new column using mutate which is some function of the co... +0.45
Exclude top and bottom 1% of data in a df in R +1.49
Extract values just after empty string with R -0.61
How to make R count the number of characters in an element in a dat... -2.38
How to remove a certain string in an element in a data frame? 0.00
Dplyr calculate mean and variance without all the data +1.26
An R tidyverse way to select columns in order based on data type +0.45
R aggregating a column values into rows 0.00
Do not understand what rollapply is doing 0.00
Group by and then summarize with more than one element -1.55
Multiply Columns by Substrings in R -0.29
How can I replace the first instance of an NA in a row with a given... +0.06
names of leaves of nested list in R 0.00
R add new column depending on values in a range in different columns +1.96
Re-arranging values in a table -0.53
How to find number of times a change happens in a matrix, using R -1.48
Shift certain values in a column of dataframe to a next column in R +1.03
If else statements to check if a string contains a substring in R -0.63
How to get the rows that one column is same and another column is s... 0.00