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Rating Stats for

Arun

Rating
1646.88 (617th)

Reputation
97,405 (767th)

Page: 1 2 3 4 5 6 7 ... 26

Title	Δ
Merge several columns into one with specific conditions in R	+0.81
r - fast way to add counting index but numbers that are sequentiall...	-1.22
Using tail on a data.table	0.00
Pivoting data in R	-2.49
Fastest way to transpose a list in R / Rcpp	+1.30
Lapply in a dataframe over different variables using filters	-1.09
Split a data frame and sort the splitted values based on a particul...	-2.82
R data.table group by multiple columns into 1 column and sum	+0.99
Odd Behavior of shift() function in data.table v1.9.5 (R)	0.00
R How to mutate a subset of rows	+0.75
How to extract only person A's statements in a conversation bet...	-0.75
Returning the Date of First and Last Occurrence of a Factor Variable	-0.66
Multiplying column value by another value depending on value in cer...	+0.82
The most effective way to merge/combine two data sets by overlappin...	+2.01
Fill missing replicate values in R	-1.35
Excel Pivot-table like functionality with R (plyr, ddplyr?)	-1.06
data.table alternative for dplyr mutate?	0.00
Matching elements within list in R	+0.31
How do I collapse categorical data into a single record in R or Pyt...	+0.09
How can I split a column in a dataframe by regex?	-1.24
Cleaning Data When Variables are Column Names	-1.73
Reshaping a csv in R a particular way	+0.96
How to reshape a data frame with two columns to wide format?	-0.85
IF THEN on a Dataframe in r with LAG	+1.68
Transposing two fields to one unique key in R	+1.69
Way to separate out individual events	-0.51
How to keep index when merging two dataframes in r	-0.53
Generateing a per-group sequence based on a specific value in an ex...	+0.30
filter data.table for !is.na()	0.00
complex data.table subset and vectorised maniulation	+1.00
R Plyr Sapply seems to be really slow	-2.34
Use R dcast.data.table with formula as string	0.00
R , how to Aggregate data with same date field in an R dataframe	-0.39
need to reorganize data	-1.17
Melt and dcast an awkward dataframe	+1.56
for loop to find threshold values between different data frames	-0.69
Long to wide data with tidyR?	-1.76
Combining Rows - Summing Certain Columns and Not Others in R	+0.93
Reshape dataframe	-1.31
How to remove duplicated (by name) column in data.tables in R?	+0.00
Reshape with id-variable in column names R	-0.69
Correlation between numeric and logical variable gives (intended) e...	-2.22
Melting data with several groups of column names in R	-0.41
Is the "*apply" family really not vectorized?	-0.65
R - Convert list of list into data frame	-0.43
R: Extract complete cases/included observations from linear model o...	+0.31
nleqslv performance for data.table	+0.29
Is there a way to replace column values on matching rows while join...	+0.29
Is there a way in data.table to assign ID's by group based upon...	+0.31
Update a column of NAs in one data table with the value from a colu...	0.00