StackRating

An Elo-based rating system for Stack Overflow

Home | About | Stats and Analysis | Get a Badge

Rating Stats for

akrun

Rating
1527.10 (21,478th)

Reputation
833,306 (14th)

Page: 1 ... 407 408 409 410 411 ... 562

Title	Δ
r subset rows by criteria and by factor group	+1.76
Split a vector into multiple vectors in R	0.00
How to make specific columns as.numeric in R's data.table and k...	0.00
how to search for columns in data frames?	0.00
Select upper and lower values and create a new column with random v...	+0.04
Aggregating data with 2 columns in data.table (r language)	+0.50
How to split columns in data frame by semicolon in R	0.00
How to generate a sequence in R, that starts with 01 and ends with...	+1.78
Subtract a string in R	+0.05
R data frame manipulation/transfomation using ldply	-0.01
na.locf fill NAs up to maxgap even if gap > maxgap, with groups	0.00
How can I delete every n-th row from a dataframe in R, according to...	+1.80
I want to make a dataset except specific time period	-0.24
writing a for loop in R for a special case	+0.52
give id to sessions with a mark at the first row of a new session	0.00
Reshape levels of a column (long) into new columns (wide)	-1.83
R - add column checking occurrence of something in last n rows of c...	-1.42
Count strings with a certain condition	-1.03
how to get possible combination of index for set of data.frame obje...	0.00
R addition of large and small numbers is ignoring the smaller values	0.00
R generate and bind row of time increase 10 mintues at time	0.00
Deleting rows that have more than a certain number of columns in a...	+0.02
Tabulating groups by row and column in R, WITHOUT looping	0.00
How to convert "HH:MM:SS AM/PM" to 24 hour format in R?	0.00
Regex for extracting all words between word and character	+0.53
Clean Column names of multiple DataFrames	+0.43
Summing instances in a string with variable instance number	0.00
How to quickly create dummy variables from list in R	0.00
Creating dummy variable based on group properties	0.00
How to swap a number of the values between 2 rows in R	0.00
Dealing with ties using rank (R)	-1.44
subset a dataframe using condition passed as string (subset datafra...	-0.96
transforming range data to mean in R	-0.07
smarter way to re-assign values for a column in dataframe in R	+0.04
Convert list to dataframe in R and add column with names of sub-lists	-1.14
Collapse variables into one variable with values preserving the var...	+0.12
How can I transform a matrix of characters with a few lines of code...	+0.12
How can I transform an array of characters with a few lines of code...	-0.90
Filter n rows of grouped data frame when different n for each group	0.00
R: how to use regex to substitute an element appeared multiple time...	-1.48
R: How to separate values in a data frame object (such as df[1,1]),...	-1.49
Data.table selecting columns by name, e.g. using grepl	+2.54
grep String in R	-0.30
How to retain all NA?	+0.59
How to group in data.table with overlapping value?	-0.66
Split data into 3 ordered chunks of as-close-to equal size as possi...	-1.48
Reshape data from rows to column in dataframe in R	+0.46
Creating columns of differences faster in R	+1.77
Remove a particular character from the end of each string	-1.19
R fill values depending on combination	-0.67