StackRating

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

Frank

Rating
1617.40 (1,172nd) 		Reputation
57,070 (1,677th)
Page: 1 ... 11 12 13 14 15 ... 28
Title Δ
Apply a list of formulas to R data.table +0.36
R - extract all strings matching pattern and create relational table -2.27
remove duplicate rows then aggregate into one row by group using da... +0.35
Define variable iteratively in data table in r +0.36
ifelse function group in group in R +0.16
data.table remove rows based on lag value by group -1.65
End of line character missing with capture.output in R 0.00
Difference within spells of x and add up by x +1.54
Create association data from data table in R 0.00
how to subset all the data of group based off of last value within... 0.00
Mapply to Add Column to Each Dataframe in a List -2.68
Gather duplicate column sets into single columns -0.52
r data.table: Subsetting and assignment by reference in a for loop 0.00
Create Ranking based on Dates(Annual) in R 0.00
Create ranking based on Dates (Quarter) in R +1.34
efficiently subsetting data.table multiple times +1.88
Efficiently joining more than 2 data.tables +0.33
Filter between a Start point and Stop point +0.56
data.table performance not scaling linearly on computing lagged dif... 0.00
data.table: .SD for the following code 0.00
Reorder rows in data.table in a specific order -0.51
Why is fread inserting carriage returns (\r) into data.table? 0.00
Flagging other occurrences of the same reference number in R +0.36
R - formattable based on multiple columns 0.00
pass a 2-parameter function to combn 0.00
Multiplying column names/factors by each row -0.24
Order a data table alphanumerically by alphabet then numeric values... +0.81
Ifelse statement with nested data.table statements 0.00
Given an element of a list, how do I recover its index inside the l... -0.02
Seeing if one value exists in another column by ID +1.05
Indexing the elements of a matrix in R +0.42
calculate median from data.table columns in R -0.69
How to identify only "not duplicated" rows +1.48
make loaded data.table modifiable by a function 0.00
Rounding the decimal in different time points +0.67
matching characters of two columns of two different data frames and... -0.74
Splitting a string using variable offset 0.00
bind columns returned by do/tidy from dplyr and broom not working a... -0.48
fill data.frame by matching value with column name +0.72
Replacing \\N with NA using R & data.table OR HIVE -1.09
Loop through data.table and create new columns basis some condition -0.06
How to replace certain records in a table with another table using... +0.38
Data Table to nested list +0.28
Using Ifelse in a dataframe -0.27
R: customized index column -0.73
R, data.table: find all combinations of a list excluding each eleme... 0.00
R data.table get maximum value per row for multiple columns +0.36
Unpack a R data frame column of lists +1.54
R: nested grouped summaries with dplyr? 0.00
Event data to start-stop +0.36