StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)

Reputation
165,339 (319th)

Page: 1 ... 27 28 29 30 31 ... 105

Title	Δ
What does the "align" parameter do in rollapply?	+2.12
Renaming doesn't work for column names starting with two dots	+1.37
R's pipe() function and Ubuntu console gives different result	0.00
Conversion from xts to zooreg time series removes date values	0.00
Maintaining order of extracted patterns from strings in R	+1.32
Force ifelse() statement to work only for first occurrence in R	-0.06
Divide 2 columns from 2 different dataframes	-0.19
zoo object just inserted random rows when I tried cbind. What happe...	0.00
Sqldf in R - error with first column names	+0.30
Standardize xtab matrices of differing dimensions into the same dim...	+1.18
Replace values in vector based on previous and next correct value?	+0.54
Joint estimation of parameters from two NLS-regressions	0.00
Calculate multiple moving calculations in one statement	-1.80
Turn string into object - But to actual text, not evaluated	0.00
Parsing by Delimitor sqldf	+0.28
Create a code to automatically choose `ts` function's input par...	0.00
R- Include starting point in cumsum function	+0.93
Representing common information on edges	0.00
Remove Inf values from formula before lm in R	+0.31
Converting from R to Python, trying to understand a line	-0.98
How to insert a serial wildcard even if the replacement string is s...	0.00
Calculating first and last day of month from a yearmon object	-2.21
How to sort yearly data?	+1.51
piecewise regression with two breakpoints to be fitted in R: a hori...	+1.78
how to combine table(weekdays()) in R	0.00
How to avoid reading data from R environment within Rcpp function	-1.22
Fill in missing rows in R data frame	-2.78
Tab delimited file with different number of columns - R	0.00
gsub / sub to extract between certain characters	+1.08
Remove first two characters in column using sqldf	0.00
Return the "sub-levels" within column B for each level of...	+1.03
Keep only first word in Column RSQLite	+0.30
Sqldf: Error in result_create(conn@ptr, statement) : near "ove...	0.00
Why I got non-numeric argument to binary operator with nls?	+1.30
Creating a single function based on multiple other functions with d...	+0.62
long dataframe to presence/abscence matrix	0.00
Remove Groups If Any Of Their Rows Meet Criteria	+1.15
Get the month from the week of the year	-0.20
How to flag duplicates in a rolling time window?	0.00
grouping by category, counting, sum, and dividing at the same time...	+1.15
How use a separator like " "," "	-0.68
Cumulative sum over matrix diagonals	+1.47
How to look up previous values in an R data frame by ID and year?	0.00
In R: How to replace NA in a Vector found between two integers	+0.30
Corresponding last value in every minute	+1.05
Swap two SEXP without copying	0.00
Extracting parts of text string between two characters	+1.15
R: regex to capture all instances after a given character	+0.30
R dplyr group_by summarise keep last non missing	+0.31
How to remove all punctuation inside the parentheses with R?	-2.47