StackRating

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

eddi

Rating
1623.32 (1,012th)
Reputation
42,998 (2,509th)
Page: 1 ... 5 6 7 8 9 ... 18
Title Δ
Split the vector into equal height parts 0.00
Summary of a data.table using internal order -0.73
In R: Duplicate rows except for the first row based on condition 0.00
Summarize the self-join index while avoiding cartesian product in R... +0.37
How to get a column of lists of contract payout pairs (date:amounts)? 0.00
R row-wise sort then concatenate across specific columns of data fr... +0.34
Aggregate big dataset for a list of columns and using different FUN +1.72
How to filter cases in a data.table by multiple conditions defined... 0.00
Mapping Multiple Values +0.30
vectorizeing for loop with data.table when comparing across multipl... 0.00
Code syntax in python with numpy 0.00
Using Python Regex with Line Count -1.45
How to use data.table to determine a value using a cumulive compari... 0.00
R, dplyr: Collapse character variable elements by group if there is... -0.30
ifelse longer object length is not a multiple of shorter object len... 0.00
In R: add rows based on a date and another condition 0.00
R data.table fread using named colClasses without header (e.g. no c... 0.00
Is there a function like switch which works inside of dplyr::mutate? +0.78
dplyr ranking observations across variables +2.34
mutate multiple columns generated with one function? -1.70
R - How to echo code, evaluation of code with variable values and r... +0.37
Fastest way to count the occurrences of each unique column in a mat... -0.70
How to expand data before reshape in R +0.55
Commandline Arguments in R are null 0.00
average by group, removing current row +0.21
Updating a list of models with a list of data in data.table 0.00
R - set reference level of factor to NA 0.00
Sum and shift values to nearest smaller date based on logical condi... 0.00
Working with temporary columns (created on-the-fly) more efficientl... +0.41
Update few rows and columns of data.frame from another data.frame u... +0.35
Why data.table CJ doesn't respect column major order 0.00
Flatten a list with complex nested structure -0.48
R - How to add rows for missing values for unique group sequences? +0.21
ID chunks of rows by start and end value +0.60
handling 'wrong' entries and NAs in a data.table substituti... 0.00
convert dplyr join syntax into pure data.table syntax +2.35
Add missing rows to data.table according to multiple keyed columns... +1.63
Find difference (subtraction) for each variable in dataset by group -0.12
dplyr: Find subgroup criteria within grouped do 0.00
How to apply a summary function to multiple columns of a data table +2.04
Mix vector of column names with mathematical statements in data.table +1.49
Fill in missing values by group in data.table 0.00
using variable i in data.table row index -0.15
Adding a new method to data.table 0.00
Data.Table anonymous function in j +0.38
Query data.table by key in R 0.00
How to count occurrences combinations in data.table in R +1.52
Paste multiple column values with column name 0.00
Balancing (creating same number of rows for each individual) data -2.56
crossprod by factor of vectors in a data.table -2.15