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 2 3 4 5 ... 16
Title Δ
Filter/grep functions behaving oddly +1.67
ghost legend appearing when changing legend title in ggplot2? 0.00
Subset rows by partially matching two columns for words greater tha... 0.00
How can I merge a column from data frame to another column from the... +1.64
Extract just the part of string that matches a regex pattern in R +1.37
extract certain rows at nth + 16 0.00
calculating mean of subset between two dates 0.00
How to access cell given values in other columns +0.37
Clean Column names of multiple DataFrames -0.58
How to populate a data frame based on condition in R 0.00
How to understand a specific function in R +1.77
Why can't I use lapply factor within a function? +1.42
Regular expression: matching multiple words +0.70
How to create a dataframe which has increasing numbers each time wi... +0.48
All permutations of quartely data +0.38
Create a matrix of all nine digit numbers that do not contain dupli... -0.64
Replacing impossible values with NA using R's data.table -0.92
Converting Likert Data to Numeric Across A Data Frame -0.36
How do I change the number of decimal places on axis labels in ggpl... 0.00
How to Perform Consecutive Counts of Column by Group Conditionally... +1.01
Creating a matrix from data frame +1.40
Selecting Top N Column Values per Row from a data frame -1.32
dplyr summarise Error in str.default(obj, ...) dims [product 11] do... +0.37
Better way of adding data.frame columns by referring to indeces -0.36
R summarize many to many relationship between two column's valu... +0.37
Using runif in r -0.18
How to extract the minimum entry of some regex by name? 0.00
My rows are mismatched in my SVM scripting code for Kaggle 0.00
Construct a function call from arguments within a function -0.99
How to make a loop to calculate a function based on strings in a co... 0.00
Filling / re-expanding missing values in sequence, not imputation +1.55
R - Manipulating columns in a data.frame to eliminate censored valu... +1.56
how to organize a datagram in R by a column 0.00
Categorizing Age According to a Condition in R +0.37
R- Find Unique Permutations of Values +0.37
how to split a sequence in R into multiple sub parts 0.00
How to graph with geom_ribbon 0.00
R:search through each row, and delete duplicate values (may differ... 0.00
How to use R ifelse statements with multiple conditions? +0.12
R indexing of matrix used to to determine indices of max values tak... 0.00
filtering dataframe with multiple condition +0.88
Date merging between range and single dates 0.00
R: how to optimize multiple pattern count over multiple strings? 0.00
R: Create a column of averages based upon groups of four rows 0.00
Select rows from data frame based on difference in their mean 0.00
R: repeated values in a column, how to replace with single value +1.56
De-aggregate / reverse-summarise / expand a dataset in R +0.39
How to add an adjacent row and a previous (current) row's value... +0.88
R trim blocks in binary vector to only first element 0.00
split strings to different columns based on semicolon -1.35