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 2 3 ... 105

Title	Δ
R: Inverting second panel of four in multiplot as.zoo	0.00
Summarize Percentage by Group in R	-0.01
Multiplying column means for groups by column mean for the entire d...	-0.04
Chunk time series dataset in N chunks for comparing means and varia...	-1.56
Group by cumulative sums with conditions	+1.68
Bernoulli percolation	0.00
How to break quarterly data into monthly using certain formula in R?	0.00
Sys.Date() with as.POSIXct()	0.00
Using percent symbol (%) with sprintf	0.00
sapply(a, replicate, b) expression no longer works inside a function	+1.64
nls() : “Error singular gradient matrix at initial parameter estima...	0.00
R glue with limited set of functions allowed in pattern?	+1.47
How to perform Breusch pagan-test for lmList object in r?	0.00
Update global nested list variable in function irrespective of depth	0.00
Extract previous specific day based on date	-0.24
How to create quarterly data in R	-0.45
creating and accessing dynamic column names within dplyr functions	+0.32
Filter in dplyr if condition is met across ANY variable within a row	+1.93
How to solve "non-numeric argument.." error in numerical...	+1.68
replacing "." with a character in R	-0.66
Add 'total' row for each group in a column in df	-1.12
Determine length of sequences between columns or in string - and pa...	+0.99
Select multiple list elements based on their names using a vector	0.00
How to convert a nested list into data.table?	-1.76
frequency of a time series with NA (R software)	0.00
convert character time period (in a weird format) to date and time...	+1.87
Reshape long to wide efficiently with amount variable and several I...	-2.47
How to make regression based on grouped rows and loop over columns?	0.00
How to order multiple dataframes in Global Environment R	-0.68
paste0 within a for loop in R	+1.95
Choosing only a monthly subset using quantmod	-0.17
Permutations with replacement and rules in R	0.00
Shifting leading NA cells to the left, but NOT internal NAs in R	-2.43
Use mutate and dynamically named variables in dplyr	0.00
Naming of each date with unique id number	-0.30
loop function with nls	+2.31
How to find the position of the first non-NA element in a column st...	0.00
How to sequentially join two data frames using `dplyr` functions?	0.00
replace a string pattern in r	-0.48
nonlinear curve fitting in R	0.00
Running the do.call() function without printing all of its argument	0.00
Divide columns, but skipping rows	-0.32
Using an ifelse or if loop in the panel function in Lattice doesn&#...	0.00
In a tibble, extract names from named lists by mutating a new list-...	0.00
Cut points of monotonicity of data including date duration or line...	0.00
Sum each four rows in a column	+1.33
How to remove everything after % in dataframe and merge deleted dat...	-0.26
R: Rename R objects in an expression	0.00
Is there something like print method for environment in R?	+1.63
How can I transpose my data so it only have one row per group in R?	+0.10