StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)

Reputation
165,339 (319th)

Page: 1 ... 37 38 39 40 41 ... 105

Title	Δ
How to convert one single column to row in R?	-0.43
Obtaining index within vector using sliding window containing minim...	-0.97
Combine multiple data frames with similar non-consecutive names	0.00
How to mutate a new column with yes or no value if at least one col...	-1.30
Match Days of the Week within an Interval to Create Specific Dates	+1.34
how to show predictions on test data from multiple models in time s...	0.00
ignore a magrittr piped-in value and pass it on	+0.60
how use autoplot + autolayer with a xts object?	+0.33
Argument is not numeric or logical with function rollapply, followe...	-0.17
How to separate "m014" using separate() function	+2.03
matching "sub-vectors" in R	-1.69
Subset data based on sequence of characters across rows	+0.19
subtotals by group R	+1.56
Is there a way to find the minimum value across multiple data frames?	+0.33
Rolling mean every five months over three months	0.00
R closure scope	0.00
What to use instead of 'lag' if my data is not time series...	0.00
How to count the number of diagonal lines (consisting of 1s) in mat...	0.00
r tidyverse - calculate mean across multiple columns with same name	+1.49
How to replace values and words using ifelse / lag / mutate in the...	-2.43
For a period of time cumulative sum in R	+0.31
Adding character in matrix in R	+0.24
R dplyr: Non-Standard Evaluation difficulty. Would like to use dyna...	+1.49
SQL - How to Match Values?	0.00
rolling regression with confidence interval (tidyverse)	+1.10
How to pass a vector to the dots (...) argument of a function	+1.43
Rolling Window Forecast with regression coefficients	0.00
average for time period dependent on date of row	0.00
Using zoo package	0.00
How to remove any co-occurrence of sub-list elements from vector (R)	+1.91
R is a vector a 1 row matrix or 1 column matrix	0.00
How to convert a column of character type of minutes and seconds to...	-1.35
Append dataFrame columns to other columns with different names and...	-0.68
How to combine into a list previously defined objects based on stri...	+1.47
Extracting stock prices with different dates and row numbers	0.00
R: Get 2 variable values to occupy single cell separated by new line	-0.66
R - subtraction of previous rows using two columns	0.00
rollapply for moving average with non-business day	+0.32
R: convert strings in array into integers	0.00
How to avoid "error:singular gradient matrix at initial parame...	0.00
Sequence of last observation of months in a series of dates in R	-0.67
Filter the time series data which is range of another time series d...	-0.43
R: merge two lists of matched dataframes	-0.72
R equivalent of SQL SUM OVER PARTITION BY ROWS PRECEDING	-2.52
R - create dynamic indicator columns from values in character columns	-2.44
R - ggplot for sorted variable	0.00
Extract "n" rows with least variation across samples	+1.38
dplyr mutate on range of columns	+0.35
Why are there two assignment operators, `<-` and `->` in R?	-0.07
dplyr::select() with some variables that may not exist in the data...	-1.95