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Rating Stats for

sindri_baldur

Rating
1543.60 (10,175th)

Reputation
8,049 (19,576th)

Page: 1 ... 4 5 6 7 8 ... 21

Title	Δ
calculating the proportion of count variable per group in data.tabl...	-1.08
An efficient way to score two tests in an R data.table	0.00
R data.table select rows based on partial string match from charact...	-1.82
Efficient way to create rank variables in R	-0.51
Aggregating multiple columns by group	+2.32
put sequence numbers in R	-0.01
repeat a vector to fill a column in r	0.00
R split a text column based second occurrence of the seperator	0.00
Merge excel sheets/ Rdataframes into a common data frame keeping sa...	-0.29
Parse string, extract two-digit year and complete into four digit f...	+0.48
R: Spread data.frame/tibble with shared keys and missing data	-1.46
Tidyverse approach to binding unnamed list of unnamed vectors by ro...	+1.28
Merge list of dataframe in R	+2.67
data.table rolling average timestamp window	-2.14
R: Can the entries of a data frame be vectors of length > 1?	0.00
Perform and write functions on data using `by` in data.table	+0.26
Replace nested ifelse in data.table	0.00
data.table performance using .SD with by	-1.23
replace NA with 0 and all other values/text as 1	-1.96
Error in sass_options() : could not find function "strrep"	0.00
r data.table output in columns	-0.52
Data.table conditional on list of columns	+0.53
How to convert a String to Date in R	-0.03
Giving month names to a variable of numbers in R	0.00
Conditional mutate across columns in R	+2.39
Generating mean column calculated over a time window defined by a c...	+0.06
R sum of vector multiplied by each row of data frame	+1.60
Replacing NA values by nearest value and factor	-0.79
Find a row in a data.table that is same as the header	+2.11
Format output for similar value in R	+0.53
R Data.Table Split Numeric Column and Do Operation	+0.73
Using fwrite to include quotation marks for character fields in R	0.00
Select a row of a dataframe and order columns in ascending or desce...	-0.03
Simple R Loop query	0.00
Last observations not carried forward using fill or na.locf for cha...	+0.50
Filter data frame columns based on list values	+2.28
Separate string column in data.table in multiple columns in R	+2.54
Sum in data.table grouping with condition	-0.34
r - translation of dplyr to data.table	-1.15
Indirect access column name with object variable	0.00
Conditionally inserting a set number of rows of preceeding dates	+2.06
How to merge 2 string columns in one dataframe?	+0.23
R: ranking variable per trial according to time column	+0.89
lapply - create new variables with variations of .SDcols	+0.33
Coalesce columns with capitalised and non capitalised versions of v...	+0.82
How do I shorten row names in R? Please read below	0.00
Pass a character vector in the by in data.table statement with a fu...	+2.52
How can I append my dataframe to itself (cbind) a given number of t...	+1.29
R // count rows and sum col value if multiple conditions in other c...	+1.90
Change names of lists at once	+1.09