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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)
Reputation
165,339 (319th)
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Title Δ
change the number of digits in a number within a string -0.03
after spliting how two elements can be put into new two string vect... 0.00
Is there an R package with a generalized class of data.frame in whi... 0.00
How to add calculated row based on mulitple column and row values i... -0.17
How to set up a rolling window in R? 0.00
Split an uneven column in a dataframe into multiple columns in R +1.49
Correlation matrix that counts intersection between variables 0.00
how to get percentage character match between two strings using sql... 0.00
R Applying self made formatting function over data frame R -0.22
Rolling 7 Day Sum grouped by date and unique ID 0.00
What is the use of logical(), double(), etc. as default argument va... 0.00
Creating labels with hour/min and seq to create bins +0.32
How to detect consecutive values above a threshold? +1.27
What is the best way to transform an xts into a tibble 0.00
How to rewrite an R loop taking averages of every 15 observations t... +0.73
Filtering using dplyr package +1.58
R - splitting column by legend from the other one 0.00
rollapply() by n-months -0.26
Taking quoted variable in a function and making it bare 0.00
Rolling weighted average in R (multiple observations) 0.00
Function to check data in environment - R 0.00
Passing arguments to a function which is called by another function... +2.25
R combinations with dot ("."), "~", and pipe (%... -0.10
Extract a sample of 1,000,000 from big dirty data using R -0.45
Add an incremental letter to filled NAs from na.locf() +1.81
Reshaping wide to long with multiple row +0.87
Backwards rollapply with zoo object +0.28
Generate data.frame from frequency table +2.06
Accessing and manipulating list elements in a matrix of lists +0.30
How to extract repeating rows in a matrix -0.66
Lookup list of formulas in other list 0.00
Change table to character vector without spaces -0.36
Identify sets of NA in a vector +0.31
Function argument that depends on default arguments +0.51
sum of preceding 12 months in R +0.29
R: Problems with an "if" condition +0.32
How to write a fixed-width file? 0.00
Sum of new occurrences from previous five years +1.59
Replace the values of NA with a sum of previous value and a current... 0.00
How to calculate moving average by specified grouping and deal with... +1.23
How to sum on different intervals to find multi year peaks -0.99
How to add rows with most recent "Year" data when "Y... -0.38
Extracting elements of nested list by contained value using purrr 0.00
The inverse of the cross product of a m x n matrix -0.13
linear model for starting paramerters in nls fit 0.00
Filling in multiple sandwiched NA values +1.23
Using gsub to replace last occurence of string in R +2.79
How to convert a column of type 'character' into minutes +0.75
Select the rows that do not exists in other df -0.67
Can "assign()" and "get()" be written more conc... +0.32