Title 
Δ 
Sum over rows by group (many columns at once)

0.00 
R ~ Vectorization of a user defined function

+0.64 
How can I locate the first instance of NA in a row within a data fr...

+0.07 
R: classifying a text variable

+0.53 
Match a vector inside a vector

0.95 
r data.table behaviour with booleans as column selector

+0.67 
Interpolation using ratios in overall data

0.00 
Use dynamic (variable) string as regex pattern in R

+0.57 
R/data.table: separate columns and count occurences

0.94 
Assign quantitative variables to data points in the data frames in R

1.20 
How to exclude certain lines when parsing tabdelimited data into a...

0.00 
How to parse tabdelimited data (of different formats) into a data....

1.71 
Different results when subsetting data.table columns with numeric i...

0.00 
How get NA for values which are not found in a dataframe

+0.19 
Inner_join with two conditions and interval within interval condition

+0.60 
Relative variance (Vectorised implemantation) in R

+1.12 
Adding equivalent columns of relevant data in R

+0.12 
Separate string after last underscore

3.12 
how to find dates that overlap from two different dataframes and su...

0.00 
Parsing String and splitting it in R

+1.01 
Conditionally replace missing values depending on surrounding nonm...

0.28 
Creating Data set for Change Point Detection Output performed over...

0.00 
How to sort a vector based on a list in R

2.40 
Replacing NA values using a rolling window

+0.40 
replace value in data.frame row by row

+0.96 
Fastest way to look up value in previous period?

0.00 
Unexpected error message while joining data.table with rbindlist()...

0.00 
Conditional join in data.table?

0.00 
add leading 0 at a specific position in a string (R)

1.25 
Rank values columnwise

+0.76 
sapply() returns list instead of a vector

0.00 
Merge data.table by two LOWEST nearest variables

0.00 
Evenly distributed differences between their positions

0.00 
How to get quick summary in data.table with a lookback window?

+0.20 
how to get quick summary of count in data.table

+0.18 
Count number of 1's from right to left, stopping at the first 0

+0.81 
sum over past windowsize dates per group

0.00 
How can I reshape data from long to wide

+0.23 
Speed up fill function R

+0.87 
How to count strings separated by a semicolon

2.73 
How to multiply rows in a tibble to another corresponding rows in a...

+0.75 
Optimize the for loop in R

0.00 
How to calculate percentage over a dataframe

+0.20 
Find average of 4 last elements

+0.38 
Use time interval to calculate mean from another data frame

+0.21 
apply string of boolean on list

0.20 
How to determine changes in a dataframe?

+0.63 
Selection by row if column name is a string

+0.20 
Data Frame: how to add a column to count previous occurrences in th...

+0.21 
Group column in blocks of 4 observations and return 1 based on a co...

+0.74 