StackRating

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

Ferdinand.kraft

Rating
1514.88 (45,658th) 		Reputation
9,981 (15,306th)
Page: 1 2 3 4 5 6
Title Δ
Fill nth columns in a dataframe +0.12
How to impute missing values with row mean in R -2.55
Majority vote in R -1.43
Changing values of variables depending on a factor -4.02
Add column in which a value j of a row i is inserted +0.67
R efficient index matching elements, cluster evaluation -1.95
Non-redundant version of expand.grid -3.61
extract a column if using %in% operator in R+ 0.00
counting categories in R 0.00
Using apply to get a numeric value -1.80
NA-recognizing boolean operator -2.07
Save Weibull observations in a matrix using for loop 0.00
Merge Uneven Data Files 0.00
Select top n% records from different column groups in a dataframe 0.00
R grepl to find a pure number -4.23
R: Lookup and count [table merging and summing] 0.00
Redundancy of Function Parse Trees in R -3.11
rank sum score calculation on a data.frame -2.03
Here we go again: append an element to a list in R +3.73
In R how to control the cycling direction of values when copying in... +4.03
R - Creating multiple objects and assign them different values 0.00
How to use multicore with loops in R 0.00
renaming subset of columns in r with paste0 -0.76
Recursive object-listing +1.66
find all disjoint (non-overlapping) sets from a set of sets +1.76
Use variables from formula in R function -2.53
R - Function to create a data.frame containing manipulated data fro... +3.83
R plotting a function which contains sequence/list 0.00
capturing an expression as a function body in R +0.00
Create a list from matrix in R -1.35
creating new column in an R dataframe based on values in multiple c... 0.00
subtracting one data frame from the other 0.00
Retrieving specified columns from a list of csv files to create a d... +1.80
Merge data frames and overwrite values -1.56
subsetting ABM results by endpoint 0.00
Proportion of responses across choices and groups +3.95
Convert character vector to numeric vector in R for value assignment? -1.67
sorting numerical values R 0.00
correlation in r with survey data 0.00
stacking columns into 1 column in R -4.15
What/Where are the attributes of a function object? -2.25
Get a list of all function parameters from inside the function +4.80
merge data frames to eliminate missing observations -1.88
Importing package namespace into default namespace -2.58
R - Compare and delete rows with identical column value in data fra... +3.78
Create automatically a table from a data output in R 0.00
Identifying pattern over time within observations (R) +4.14
Optimization of a function which look for combination - out-of-memo... 0.00
using matrices algebra to manipulate strings: is it feasible? 0.00
Naming dimensions of a existing array in R +3.34