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Rating Stats for

eddi

Rating
1623.32 (1,012th)
Reputation
42,998 (2,509th)
Page: 1 2 3 ... 18
Title Δ
Using by in data.table programmatically with an operation on a column +0.81
Exclude duplicate row for which two variables are not nearest to on... +1.12
Subset data.table based on observation occurring x times in a column +0.20
R: What can I do about a slow double sapply? 0.00
Multiple, flexible logical column comparison in Data.table -2.02
How do I calculate a rolling sum with variable levels of depletion... +0.30
Efficient coding to make time increments 'finer' from minut... +1.36
using data.table to create sequence from starting points and increm... 0.00
efficient subsetting of data.table with greater-than, less-than usi... +1.34
How to make R data.table throw an error when recycling in a column... +0.32
When exactly does data.table preserve column names? 0.00
Create new column based on strings within the same list in R 0.00
Seperately counting two exact string matches in data.table (and agg... 0.00
Elegant way to match and replace part of string +0.39
Converting dplyr to data.table +1.73
Abstract multiple keywords from text and print in data frame +0.00
autoplot saves blank plot to png device when chained within data.ta... 0.00
How do I create a panel dataset out of transition date data in R? -0.93
Select columns in data table in R +0.80
How to define a keyed (grouped) join in data table? 0.00
difference between a numeric variable and many others +1.27
Creating a vector from data.table row without using apply -1.00
CumSum that counts values only once based on group +1.52
Fill NA values with sequence by group +0.93
Extract a chunk as raw text from an Rmarkdown file 0.00
r - create a sequence only for certain values -1.72
Summing a dataframe based on another dataframe -0.09
Sum of values greater than or equal too for each element in grouped... -1.91
How to write dataframe to file so that regardless of length of colu... 0.00
Retrieving Non-matches for Y (RIGHT JOIN) for Foverlaps in R using... 0.00
filter by using %like% between two columns of the data table -0.97
Transforming a nested data frame with varying number of elements +1.58
Efficient way to mutate rowwise +1.33
How do I delete the last row of a group in r based on conditions in... +1.49
Subset dataframe based on duplicate values in multiple rows -1.33
Factor levels reaching certain values +0.24
Loading very large CSV dataset into Python and R, Pandas struggles +0.35
Find matched pairs and their ids for matching records -0.69
Count number of rows between two timestamps 0.00
Non-equi join for a group of variables without providing intervals 0.00
Data.table: dynamically select group by variables using shiny 0.00
counting after and before change in value, within groups, generatin... -2.71
Randomly draw rows from dataframe based on unique values and column... 0.00
error in regex pattern matching for text retrieval into two columns... -0.91
Find nearest matches for each row and sum based on a condition -0.61
R data.table set cellwise operation 0.00
How can I find a dataset that has some specific attributes? +0.59
cbind with partially nested list +0.79
Operations on a calculated .BY in data.table 0.00
Vector as entry in `data.table` 0.00