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 ... 80 81 82 83 84 ... 105

Title	Δ
RcppEigen sparse matrix insert operation gives invalid class “dgCMa...	0.00
R: can I use a variable i to replace numbers in a series of variabl...	-0.31
Aggregate data keeping strings	-1.69
Replace a set of pattern matches with corresponding replacement str...	+1.14
Calculate percentage to total using rowPercents	-2.68
R regex find ranges in strings	-0.63
Use values in df column to create a sql query	-0.63
Convert list to special matrix of same length	+0.37
Create a confusion matrix from a dataframe	0.00
Convert characters with time units (ms, s, us) into numerics	0.00
how to use string variable in RcppEigen	0.00
Get eigenvalues for large dense matrix inR	-0.49
cbind for list of zoo objects	0.00
Converting Nested For Loop with Rolling Function to apply	-1.86
Using the same argument names for a function defined inside another...	-0.43
R: Adding NAs into Data Frame	-1.50
Calculating mean date by row	+0.37
How can I apply quote to every argument in a function	-1.85
Positive look ahead in R - passing variables	-1.07
Regular expression to keep a running count of individual characters	+1.06
r regex Lookbehind Lookahead issue	+1.79
Globally turn debug messages on and off in R?	+1.36
Exact pattern match in unstructered dataset (text or CSV file)	+1.71
How to import an R function from another package such that it would...	+0.35
Exponential regression with nls in R	+1.63
R Regexp - extract number with 5 digits	-0.94
How can I convert these nested loops into an R loop function like s...	-0.62
Split comma-separated strings into boolean columns	-0.85
Replace a value by its preceding in a column R	0.00
Assigning attributes to an environment can lead to surprises?	+1.75
Selecting and plotting months in ggplot2	-0.14
Creating packages with external dependencies	0.00
How to extract one group in dplyr	0.00
Drop empty combinations with "by" in R	-0.43
Pass a vector of variable names to arrange() in dplyr	-0.63
Separate "Name" into "FirstName" and "Last...	-1.29
R programming: Find all the factors from Data Frame	0.00
Create sub-matrices that have identical cell values	+1.45
Remove data.frame rows containing zero, where adjacent rows contain...	-1.98
Skip all leading empty lines in read.csv	+0.36
How do I combine the first two columns and convert the data into xt...	+1.44
keep only hour: minute:second from a "POSIXlt" "POSI...	0.00
Extracting Data from a file which is on a different line from key w...	+1.47
r last observation carried forward unless no further observations	+1.02
Using csv column names as parameter in R function	0.00
Generating Multiple Lags in R with shorter code	+2.01
How to apply a summary function to multiple columns of a data table	-2.04
How to replace the missing with the mean of previous and following...	-0.13
How to split R data.frame column based regular expression condition	+1.31
Average of multiple rows by name or row number in R	-2.56