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G. Grothendieck

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1622.82 (1,021st)
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165,339 (319th)
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nls function in R how to deal with the selection of parameters 0.00
How to make categorical time-series predictions in R? +0.36
How to extract characters after a match from a string in r? 0.00
replace range of numbers with single numbers in a character string +1.13
R : Robust nonlinear least squares fitting of three-phase linear mo... 0.00
R: Loop through matrix, delete cells based on criteria 0.00
R - Parse text file as fscanf ? 0.00
Split PDF according to pages in R -0.62
How to group_by without creating a grouping variable? -2.19
How to delimit a string field into two different numeric columns in R +1.02
How can I create a self-contained html report with rmarkdown? +0.36
Regular time interval in R -2.21
Complex date formating in r +1.61
Extracting first word from a string that has more than three letters -1.31
calculate new column from mapped values +2.12
Rolling sum from a certain position in a data frame in R +1.08
R difftime off by 1 year -0.63
Correlation with sliding window +1.95
R: Define ranges from text using regex 0.00
gsub is missing to add string between two commas -1.04
ggplot lab expressions with left and right parentheses 0.00
Is there any why to put function inside function argument in r? 0.00
Replacing week/month times as strings with time in years? (R) +0.72
Changing column names when appropriate and ignoring in inapplicable +0.37
Create n by n matrix with unique values from 1:n -0.05
RcppRoll Window Opening 0.00
R calling infix function with more than 2 parameters 0.00
Vector of SumIfs() in R +0.42
Order based on multiple columns passed in as an input +1.80
Merge two never overlapping time series 0.00
R gsub alternate with pipeline - OR - alternate -0.89
Multiplying variables identified by vectors in R -0.59
Why does using c(data frame1 * data frame2) return a list when data... 0.00
Modify, extract, and concatenate list sub-elements into a data.fram... +0.29
R - Applying a function to each row of a dataframe, arguments to fu... 0.00
Date comparison with System Date in R -0.63
R data.table find lags between current row to previous row 0.00
Conditionally replacing elements in a list with a list in R 0.00
Utilizing roll functions with data.table -0.63
GNU R: How to remove repeated characters at the beginning and end o... 0.00
Convert integer to string in sqldf in R 0.00
Regex positive lookbehind including all words preceded by word -1.77
For loop with an index inside a string in R +0.36
How to convert docx to PDF in r? 0.00
Collapsing rows on condition and re-using their values in R -2.36
Fill previous months within quarter in r -0.42
Replace multiple variables in Sprintf with same value +1.04
How to convert two concatenate string vars to %m%Y format -0.32
convert numbers to letters in a data.frame -0.30
How to use row number inside apply function in R 0.00