StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

Wimpel

Rating
1520.66 (30,588th)

Reputation
5,815 (28,128th)

Page: 1 ... 5 6 7 8 9 ... 14

Title	Δ
R - How to calculate distance between two sets of coordinate points?	-0.05
R assign ID to records NOT using loops	+2.38
Replace N/As in a data.table join	+1.87
How to merge various csv files having the same two header lines int...	+0.25
Program which calculates the sum of the first 10 Fibonacci numbers...	0.00
Iteration among the tags inside an OSM - XML file	0.00
Checking the class of a column in a function that uses tidy evaluat...	-1.67
Subset time by reference time for a specific group in r	0.00
dplyr: summarize long format for multiple groups	-1.25
Join two data frames together and use most recent result as rows ad...	+2.06
Join two data.tables by one numeric variable with dynamic tolerance	0.00
Recreate dplyr summarise in data.table	0.00
getting total duration based on continuous occurrence of a conditio...	0.00
Creating a new map with getNOAA from older ggmap data	-0.55
Non-equi join with multiple datetimes	0.00
Nested apply statement over a list of lists	-0.13
Gather Columns based on separator	-2.16
Randomly picking pairs from a vector in R 153 times	-0.69
Is there a way to add a space between two regions of a map using gg...	0.00
Unable to reproduce expected result of tableB[ tableA]	0.00
join two tables such that we get all rows from tableA and all colum...	-0.40
Creating groups based on running totals against a value	+2.04
Is there a way to trim out observations with a known format?	-0.04
Parse attribute-centric XML with missing tags in R	0.00
Efficient way to compare all columns in data table R	+0.03
Merge dataframes when timestamp of one is between another one's...	-0.06
Bin data within a group using breaks from another DF	+0.07
Bind data.table with diff rows such that the shorter dataset repeat...	+1.10
How to find number of times items and their combinations were purch...	+2.14
replace parts of a string with a vector	0.00
For-If loop manipulation in R	0.00
R: Merge rows in lookup table based on closest match and exact matc...	0.00
Subsetting from a data frame with imposing a new structure	+0.20
How do I speed up this double loop by vectorization in R?	-1.39
How to iterate through an R list of character vectors to modify eac...	0.00
Compute average number of days between dates in 2 columns based on...	-0.04
Merging two dataframes by datetime with a different structure in R	+0.48
apply and which function require operator error	+1.28
R data.table outer join with roll="nearest" with constrai...	0.00
How to extract the middle part of a string in a data frame in R?	-0.56
R dataframe - extract pair of rows based on two variables then comb...	0.00
na.locf - Negative length vectors are not allowed	+2.66
Create flag indicating if year variable is in the range of start:en...	+2.04
Identify groups of n consecutive numbers in a data.table field in a...	-0.91
Efficient way to paste multiple column pairs in R data.table	+0.23
Merging tables and changing values simultaneously in R	+0.03
Remove IDs with fewer than 9 unique observations	-1.47
Concatenate on two strings, remove duplicates	0.00
How to get a latest row for each ID based on a timestamp	+0.46
Merging two data frames of different length by group id	0.00