StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

Pierre L

Rating
1617.14 (1,182nd)
Reputation
24,556 (5,227th)
Page: 1 ... 4 5 6 7 8 ... 16
Title Δ
Modifying column names of dataframes within a list 0.00
aggregate by consecutive values and group -2.18
Find a vector in matrix when order matters in R +1.97
R Split string and keep substrings righthand of match? +0.21
How to convert single column data into two-column matrix using cond... -0.32
R Sorting Matrix name, including 1 string but excluding the other +0.41
Create multiple columns from a single column and clean up results -1.92
Best way to extra array of strings with regular expressions this si... 0.00
R unlist changes names +2.39
Data frame/matrix row times vector/list element wise -0.49
Identify start date, end date, length of run of consecutive number,... -0.77
Trying to count the rows in a data.frame after removing NA's us... +0.43
Sum column every n column in a data frame R -1.99
Issue with And/Or statement in R 0.00
findInterval not working with R data.frame and a lookup table 0.00
R: Quickly Performing Operations on Subsets of a Data Frame, then R... +1.83
R & Python: How to use a string to reach into a dataframe/matri... -2.39
Does dplyr or plyr have a remainder function? 0.00
How to add the sig. and make font size varies with the size of corr... 0.00
lapply on dataframe list using different column index +2.57
How to convert a vector of string into vector of integers in R? +0.43
How to find the difference between a value and its closet value in... +0.17
Find ranges in Matrix 0.00
How to generate a new column in data.table based on multiple condit... 0.00
Aggregate function in R with multiple function arguments 0.00
R: Using an anonymous function to create dummy variables 0.00
Arrange dataframe in R -2.08
Reordering the levels 0.00
Regex double column matching R +0.46
Convert which() to logical vector 0.00
ARIMA usage for n rows 0.00
Why is tidyr nesting like this? 0.00
sum or group specific columns based on clusters in r 0.00
Spreading a list contained in a data.frame 0.00
Smartest way to check if an observation in data.frame(x) exists als... +0.42
R: Sum variable values conditional on value of other variable +0.34
Add list of columns above a certain threshold +1.16
Method to compare previous day to current day values +0.95
R partial String Match - exclude +0.35
expand delimited columns in R 0.00
Lubridate ymd returns correct results + 1 superfluous NA observation +1.05
Barplot of summed values per category in R - currently plotting hig... 0.00
Converting character vector to list of data frames of same names 0.00
subset lists based on a condition in r +1.48
Partial string matching in R 0.00
readr::read_csv("file.csv", col_types = rep("c"... 0.00
R -need help putting matrix into basket or transaction form 0.00
write a loop within dplyr select() 0.00
R, optimizing code to find the largest palindrome from multiplying... +0.42
Generate unique row combinations where all values in a row are trea... 0.00