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Rating Stats for

arg0naut91

Rating
1598.62 (1,836th)

Reputation
5,699 (28,774th)

Page: 1 2 3 4 ... 11

Title	Δ
Perform and write functions on data using `by` in data.table	-0.31
Creating sequence indicators corresponding to data timing in R	-0.67
Check for number of consecutive 0's and replace them according...	+0.84
R remove zeros based on criteria from other column	+1.33
Find the value of another group that gives maximum	+1.32
Is there a way to sum data grouping by date with a time period?	+1.74
getting a unique count of users in the last 7 days	-1.29
Calculate grouped means ignoring each row value	+0.38
Subsetting certain columns while ignoring NA values R	+1.86
Tallying within a variable per participant	0.00
R - fill na values sequentially from last nonzero value	+0.77
Subsubstring first two unless start with ZZ	+1.13
dropping NA values in rows if all columns contain NA's but keep...	+1.61
How to extract all sublists from a list in r?	+1.63
Remove rows with NAs in all columns except specified columns	+1.65
R dplyr divide between two rows after group by	-2.25
How do I select non-unique combination of columns?	+1.03
Unfold summarised dataframe in r	+1.91
Is there an easy way to match the rows of a data frame?	+0.42
Find the interval in which a number falls across two data frames	0.00
R Join table by earliest visit	+1.28
How to sum over NA rows by group in R	0.00
erase rows when a variable is equal to 0 but not when it is NA , or...	+0.36
Remove rows after a group by based on a column value	+1.55
Merge two datasets per group for non existing values	0.00
Elegant way to create sequence of integers with decadic maximum of 59	-2.19
add a "flag" column to data.table which indicates that so...	0.00
R sum of vector multiplied by each row of data frame	-0.87
Filter rows based on condition	+1.99
Only sort the NA's at the end of a vector R	-0.81
How to merge data frames of varying sizes and add in blank data?	+1.74
How can I sum up columns based on a separate column variable?	+1.75
Summary output to independent dataset	-2.27
R: get columns that only have value 0	-0.59
Check R data.frame column for equal values in another column	0.00
renaming column names in a specific order and pasting additional text	-1.81
Take n biggest and lowest values with tidyverse	-0.06
Using a catalog to replace values in a vector in R	+1.47
Pattern matching in R using grepl() function	+1.79
In R how to find the earliest day with a value >0	+1.81
ignore_case in ifelse statment r?	+1.94
R: Computing mean rows depending on date. tidyverse	+1.95
Find next smaller and next larger values	+0.36
Subset on conditions of two categorical columns in r	+0.70
R work out total days in array with gaps/overlaps between dates	+1.41
How to split a dataframe into a list of dataframes based on distinc...	+1.78
In a tidy dataframe, copy values over from one observation to another	+2.05
Update last element in .SD group based on other elements	-1.89
R find rows starting with a group of numeric characters	+0.22
Split a string and get the last item	+1.24