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 2 3 4 ... 18

Title	Δ
Match in lagged group in data.table	+0.83
Pick out first non missing element by row	0.00
Efficiently fill out (locf/nocb) values of data.table column, then...	0.00
How to remove rows matching criteria and rows adjacent to them	+1.36
Calculating reinvestment of dividends with a cumulative approach	0.00
Multiple matches in different row and columns for large data	+1.21
How can I find the indices of a group of non-zero values?	0.00
data.table. Fast way to count number of changes within every column	0.00
Iterative subtraction based on factors in a data frame using R	-0.62
Rolling queue size	+0.84
Identifying group specific timed events within a defined period	0.00
R join table based on ID and Date, complex rolling join?	0.00
How do I pass mulitple columns to a function within dplyr::summarize	+0.33
Add an empty list as a value in data.table in R	0.00
efficient dplyr summarise in one data frame based on intervals in a...	+1.66
Get description of groups from within a grouped data frame	+1.51
R: how to resample intraday data at the group level?	+0.75
How to one-hot-encode factor variables with data.table?	-0.19
Aggregate in R taking way too long	+0.31
R: ifelse statement test involving multiple dataframes	-0.53
How to find the row of a data.table containing the most matches of...	0.00
R assigning ggplot objects to list in loop	+0.62
Optimization of Data.Table in R?	0.00
Convert sequence of integers 1, 2, 3, ... to corresponding sequence...	-1.34
Multiplying an array with data.table in R	+0.34
How can I make this more robust, given that there is no reflection...	-2.63
Summarise transactions fulfilling a criterion in a sliding window	0.00
R converting to long format, pattern	-0.66
perform operations on a data frame based on a factors	-1.12
data.table: Merging nearby genomic features	0.00
Join two tables but fill common column	+1.72
Stacked bar chart using data.table and plotly	+0.34
Update by reference with rolling join	0.00
How can I split a string into an alist() in R?	+1.31
rbindlist data.tables different dimensions	+1.98
select one row per group with ifelse in data.table	+0.96
Function similar to group_by when groups are not mutually exlcusive	-0.24
Unable to subset (filter) a data frame due to NA's	+0.52
Should I avoid programming packages with pipe operators?	+1.64
Overlapping start/end date range aggregation by day in R	0.00
How to create a "max" dummy variables in R?	+1.01
data.table remove rows based on lag value by group	-0.03
Reshaping 2 column data.table from long to wide	-0.80
r data.table conditional sum referencing / performing a lookup from...	0.00
Mutating columns of a data frame based on a predicate function (dpl...	-0.58
r data.table function wrapper around ad-hoc join (with aggregation...	0.00
Identify 3rd Friday in a sequence of Dates	+0.34
Efficient grouping by 2 columns as a percentage of 3rd	+0.70
Creating a 5x5 matrix with 0's lined diagonally	-1.63
calculate median from data.table columns in R	+0.79