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 ... 66 67 68 69 70 ... 105

Title	Δ
extract the month of a string	-0.65
SummaryBy function in R	0.00
Get all Coefficients Belonging to a Factor	-0.63
several questions regarding zoo::rollapply	0.00
How to to estimate where a regression line hits a threshold in R st...	0.00
R programming for time series	+0.35
transform non-numeric data to numeric data with R	+0.07
How to prevent rows with duplicated indices / keys to be appended t...	+1.14
Export a simple R dataframe to txt tsv or csv	-0.62
How to split data.frame -> apply merge to subsets -> combine...	-0.08
How do I run a function every second	-0.21
Using eval parse text to read a formula to calculate value in a col...	0.00
Update a data.frame within an sapply function	0.00
In R, how to convert character values such as "2/3", &quo...	0.00
R function to modify a specific column (set NA to zero)	0.00
Evaluate argument passed to a function in R	+0.33
How to traverse matrix in diagonal strips and return the index of e...	+0.93
Regression in R after removing outliers	+0.35
how to create a nested query using sqldf	0.00
Own function in RSQL Lite Engine in R	0.00
Replacing an element of a zooreg object	0.00
Combining S3 methods	+1.98
R: sliding a query overy a long sequence	-2.01
Finding minimum difference between fit line and data points in R	+0.36
Extracting text from HTML page in R	-0.45
How to speed up/ improve rolling average function?	+0.35
How to convert weekly data into monthly data?	0.00
Calculate inter-event time per group in R	0.00
calling rollapply for each column of matrix using apply	0.00
Find best match of two vectors with different length in R	0.00
Changing values in a variable - R	0.00
Specific rows in fread	0.00
Generate Time Series in R with existing year variable	0.00
Interpolating Unevenly Spaced Data	0.00
Function to transform a dataframe is not working properly	0.00
Parsing character to time in R	+0.93
Separate the matrices in the 3rd dim. of a 3D array in R	-0.04
Constrain nlsLM() with a cost function in R	0.00
How to split a data frame into multiple dataframes with each two co...	+1.55
Convert YYYYQ using as.yearqtr	0.00
Dividing groups in dataframe by median of separate groups	-1.84
Identify repetitive pattern in numeric vector in R with fuzzy search	0.00
Parsing HTML code in R	0.00
Max nchar from two strings in matrix	+1.93
Allowing R functions to directly alter the parent environment	0.00
Difference between column of a xts zoo object	+1.51
How to reduce redundant repeated patterns in a string, but retain t...	0.00
How to replace values in multiple columns in a data.frame with valu...	-1.86
Obtaining xml attributes is taking too long and also memory intensi...	0.00
Partitioning a matrix into subgroup matrices	0.00