StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

sindri_baldur

Rating
1543.60 (10,175th)

Reputation
8,049 (19,576th)

Page: 1 ... 13 14 15 16 17 ... 21

Title	Δ
How to generate sequence when start is greater than stop	+0.13
Tabulate multiple levels for each column in dataframe	-1.71
Calculate matrix means and compile across matrices	+0.02
How to paste vector elements comma-separated and in quotation marks?	+1.55
group by a column and collapse all other columns without NA	-1.69
Conditional data frame variable based on presence on other row	0.00
fill NA with previous column and specific condition with data.table...	+2.04
Transform variable length list into matrix in R	+1.39
Data frame from wide to long with multiple variables and ids R	+0.16
Data Wrangling: Reshaping	+0.53
Count each next occurence of string in substring	+0.42
How to conneted same dataframe column?	+0.53
How to convert the matrix row to zeros except the last row in r	+0.52
How to rename specific variable of a data frame with setNames()?	+0.64
Use variable as headers in data.table to do calculation	+0.53
How to convert vectorized transactions into binary matrix transacti...	-0.90
Vectorization of matrix operation in R matching string patterns	-0.68
How to set AND "&" multi conditions to remove rows wi...	0.00
wrap text in knitr::kable table cell using "\n"	+0.57
Subset data in a for loop - R	+1.20
Twin primes less than 1000 in r	-0.03
Replace NA with value from another column with corresponding column...	-1.69
Split vectors by uppercases and lower cases	-0.59
How can I loop over values/factors in a variable in ggplot2?	0.00
Long to Wide Multiple variables in R	0.00
How to create a vector sequencing along nonNA elements	-0.70
Converting string in the form of 20100502 to date format in R	-1.53
How to create a dataframe from scratch?	0.00
How do I replace 1's in data frame with the column name	-0.86
Position of first ocurrence in every row according to condition	-1.88
Extracting sub strings in order	-1.13
get max value of x in relation of two variables in R	+0.50
How to I add a leading numeric identifier (not necessarily zero) to...	+2.20
R gsub numbers and space from variables	-0.62
Sort each column of R data.table	0.00
Join 3 columns of different lengths in R	+0.02
regex expression to match decimal numbers with comma as a separator	-0.07
Regex using rebus in R splitting issue?	+0.90
How to make a sequence like 1:n, 1:(n-1), ... 1:2, 1?	-0.88
Cancel new line preventions in R's glue package	0.00
sort columns based in names R	0.00
Regex to extract a number and its unit of measure that are separate...	-0.23
Extracting only a certain word from a string	-0.79
How to improve R code to extract identifiers from a structured text...	+0.50
How to use sample() to estimate the probability that the sum of two...	0.00
Replace all empty lists with 0 with lapply	-1.36
Simplify selection of similar named columns by condition	-0.47
Remove duplicate combinations in R	0.00
Using for loop in R: compute the column means	0.00
Combine n list in a list of data.frames	+2.05