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Rating Stats for

eddi

Rating
1623.32 (1,012th)

Reputation
42,998 (2,509th)

Page: 1 2 3 4 5 6 ... 18

Title	Δ
repeated joins on huge datasets	-1.37
String splitting in R data.table column produces NAs	-0.48
Use a function of the data in dplyr::summarise	-0.12
Creating a function with an argument passed to dplyr::filter what i...	-0.65
R - Compare rows of data.frame (to combine based on conditions)	+0.35
Insert rows with NAs conditional on rolling sum	+0.88
Subsetting a R data.table using another data.table	-1.93
Retaining by variables in R data.table by-without-by	0.00
R: How to create a conditional column indirectly based on a non-sta...	+0.35
R: Iteratively extract not NA values for columns in a data table an...	0.00
Is it possible to have function object as an element	+1.82
Count matching elements by row between two data tables in R	-0.62
Merge/Join Data Frame / Table based on criteria - > or <	+0.34
using data.table to subset and aggregate efficiently	0.00
R partial data.frame replication	0.00
Pick a column to multiply with, contingent on value of other variab...	-0.52
Writing files after fread with a new name	-0.65
R: Efficient Way to Merge+Update Table With Second Table Where Valu...	-0.29
r data.table update multiple columns in join	+0.39
Using standard evaluation and do_ to run simulations on a grid of p...	-0.49
Using R, data.table, conditionally sum columns	0.00
Apply function across multiple columns	+1.60
Create a new column with non-null columns' names	-0.59
Vectorization: How can I have only the set difference of the set of...	0.00
Using pre-defined (default) variable names within dplyr utility fun...	+0.37
How to vectorize comparison of subsequent rows	0.00
How to subset data.table on the basis of a values in a certain colu...	+1.01
How to reshape a data set based on aggregating on one column with s...	+0.35
Table-driven evaluations using R data.table	0.00
calculate elapsed days from non-sequential table	0.00
plyr outperforms dplyr and data.table - What's wrong?	0.00
Vectorize data.table like, grepl, or similar for big data string co...	-1.36
Fast way to compare multiples values across dataframes in R	0.00
data.table+r: cumulative mean on a column after sub setting using t...	0.00
loop in data table is too slow for big data	0.00
simple for-loop or lapply solution needed	+1.00
Index unique values in data.table	-1.79
"sticky" cursor along a path in paperjs	0.00
Calculate cumulative sum between two dates with a data.table in R	0.00
how to apply complex model outputs neatly to data.table by a factor	0.00
Fastest way for doing 21 day rolling sum for an ActivityType	+0.98
R - Data.table - Using variable column names in RHS operations	-1.75
R join large data table with Vector and repeat X times	0.00
Merge two data.tables but don't update specific columns	0.00
How do I apply a function that operates a data.table and use 2 or m...	0.00
Removing one table from another in R	+1.78
R Data table - add vector of values as a column	+1.75
Use total number of rows in selection in calculation with data.table	0.00
Creating a condition to generate a column from other two columns	+0.99
Indexing a data.table with a data.table of indices	0.00