Title 
Δ 
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 
Unique doesn't use keys as default anymore

0.00 
"Reshape" long format data into sequences of two

+0.61 
Update DataFrame Based on Grouped Values from a different DataFrame

+0.72 
Dummify character column and find unique values

+0.02 
Breaking cumsum() function at some threshold in r

+0.76 
mapping values between data frames R

0.12 
How to return the highest digit from a number in a column in R

+0.78 
Calculate difference between values with nearly identical timestamp

0.00 
Filter only specific strings from a column in R

+0.61 
How to return NAs for missing combinations while using group by in...

0.00 
Get the column names for given values in each row

+0.91 
Roll join gives NA's in data.table

0.00 
Update data.table with mapply speed issue

0.00 
Filter rows by last maximal value ordering by a time value

0.19 
Define the value of a column in a dataframe based on 2 keys from a...

+0.75 
How to sumif across two tables?

0.00 
How to append values of columns?

0.78 
R How to merge 2 data frames based on ID and latest status Date?

0.00 
Extend an irregular sequence and add zeros to missing values

+0.89 
R: Replacing and rearranging the order of characters

0.00 
Split a string with varying length in a data table

+0.95 
How to apply specific function to range of columns(but applying it...

0.00 
Counting new values not occuring earlier and not occuring in last g...

+1.04 
R: Aggregating History by ID and By Specified Data

+0.92 
Date closest but earlier than a given date based on another factor

0.00 
how to avoid the loops in a specific multiple conditional statement...

0.03 
Drop part of an integer in R

+0.92 
Update a subset of dataframe rows and columns from another dataframe

+0.34 