StackRating

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

Arun

Rating
1646.88 (617th)
Reputation
97,405 (767th)
Page: 1 2 3 4 5 ... 26
Title Δ
Combining tables from different numbers of rows with a master MAP t... +0.32
Double match in r -0.58
Reindexing in R with data.table? +1.97
Count flags across multiple rows depending on key +0.90
dplyr lag() inside mutate() for rolling values forward +0.32
How can I perform a "setdiff" merge using data.table? +0.36
R data.table ordered column lookup +1.64
R: data.table .dynamic aggregations on column Date columns 0.00
data.table join rolling forward ONCE 0.00
Assign a value based on closest neighbour from other data frame 0.00
Bring forward matching row values on a group-by max() call (to know... +1.67
Dplyr conditional windowing -1.97
Add additional variables to dplyr summarize -1.54
Why is stringr changing encoding when manipulating strings? -0.26
overlapping intervals in a dataframe in r 0.00
R data table: compare row value to group values, with condition -0.87
merge data tables by time intervals overlap +0.34
R: Finding and inverting intervals in dataframe and then report whe... +1.27
Removing a column twice by setting it to "NULL" triggers... 0.00
How to perform a "serial join" in data.table? +1.63
R - How to integrate if any in dplyr? +1.65
How to impute values in a data.table by groups? -0.38
Fill up missing values with a factor value based on an ID variable -2.12
Replace na's with value from another df +0.33
A more advanced groupby operation and wrangling to make a new dataf... 0.00
R: How to change item (or object) names of a data.table list? 0.00
Extract text from first, second and third brackets in R -1.34
Looking up values without loop in R +2.00
partial sums after group by in data.table -2.62
R data.table keyby multiple columns when chaining 0.00
Issues reading data using read.csv and read.table in R 0.00
How to reshape data table after applying multiple functions to mult... 0.00
Working out relative abundances with dplyr +0.58
Bypassing "ghost" line break or end of file (EOF) in data... 0.00
Transform a dataframe column using pattern -1.34
Incrementing data.table value based on another data.table value +1.50
Fastest way of determining most frequent factor in a grouped data f... -0.94
Sum for unique combinations of variables in a data table +0.92
Reversing the order of duplicated sections in a vector +2.05
How to seperate a Column which contains NA´s by NA`s? -1.27
Passing function to multiple columns based on column name -2.53
Default behavior for naming of columns for multiple merges... and c... 0.00
Counting existing pairs of data in large data table 0.00
R Finding times between events and admissions, within patients -2.48
What is the "data table" way of doing this join/merge? +1.08
Find overlapping segments in multiple columns -2.77
replacing values in a column with another column R -0.74
Rolling Subsetting of Data.table for rolling statistics 0.00
R convert list of lists to dataframe -0.04
Odd behavior when joining with multiple conditions 0.00