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chinsoon12

Rating
1493.44 (4,328,249th)
Reputation
9,481 (16,227th)
Page: 1 ... 14 15 16 17 18 ... 22
Title Δ
decode all values to zero if Sequence <= 3 keeping certain infor... +0.50
join in data.table keeping column ids +2.54
How to transfer negative value at current row to previous row in a... +2.08
Get number of instances of co-occurence of multiple (>2) charact... +0.65
How can I delete certain rows according to two columns which have s... -0.88
Calculate CAGR monthly in R for 10 years dynamically 0.00
Spreading a dataframe in R with multiple custom columns +2.30
data.table merge on partial match of different columns in R 0.00
Apply function to vectorised column values in data.table 0.00
How to make group_by and lm fast? -0.91
R there any more elegant solutions to add columns into multiple dat... +0.05
r - Fast and efficient way to calculate time-based moving averages 0.00
Given a date range how to expand to the number of days per month in... +0.11
Number of consecutive NA -0.47
Preserving row order while adding one data.frame's values to an... +0.54
calculate percentage of a variable conditional on two other variabl... +0.24
Divert output of require() 0.00
Sampling by group without repetition using data.table -0.36
R sampling from a vector where adjacent elements are not allowed -0.42
Keeping only one ID # per month in R -1.67
How to find whether multiple years are within patient follow-up R -0.99
reshape data.table using by 0.00
Find time difference between two columns based on unique id and add... +2.20
Scraping tabulated data from ballotpedia.org with rvest -2.03
R Data table user defined function is slow 0.00
The sum of two columns with lag term +2.41
data.table - apply vector of values +0.53
Dcast only one variable into a new column R +0.52
Is rvest the best tool to collect information from this table? -0.50
Create date variable that is either 31 days after a certain date, o... +0.53
R - Count max of consecutive days if a event ocurrs -1.95
How scrape all data by automatically click on 'Load More' b... 0.00
read roxygen2 @importFrom when reading R code 0.00
Calculate mean by going forward without for loop -0.28
Weighted difference calculation on a data.table 0.00
Grouping n or more observations in data table without interrputing... +0.33
Unpack a list by duplicating elements longer than 1 0.00
How to make progressive operations in data frames with dplyr or sim... -1.64
How can I make a named list or vector from environment objects, usi... 0.00
Impute data from prior row similar to roll join in R -0.48
subtracting column from the sum by group in R -1.95
Finding total distance moved with for loop +0.01
Match strings between rows of a dataframe and report coordinates 0.00
For loop does not repeat results in data frame format 0.00
Join datatables using column names stored in variables +0.31
How to rearrange format of datatable in R? 0.00
How to reduce Execution time to check the existence of a list eleme... +0.03
Use apply function on subsequently more columns -1.09
R dplyr aggregate count or amount within time interval in mins +0.49
r - compute rolling sum by id within specific time frame 0.00