StackRating

An Elo-based rating system for Stack Overflow
Home   |   About   |   Stats and Analysis   |   Get a Badge
Rating Stats for

chinsoon12

Rating
1493.44 (4,328,249th) 		Reputation
9,481 (16,227th)
Page: 1 ... 17 18 19 20 21 22
Title Δ
How to merge dataframes of unequal length based on time with buffer... -1.42
r - Efficiently create variable indicating if date variable precede... +2.10
Counting pairwise occurences of characters in dataframe R +2.26
Modifying a function to return an expression based on the values of... 0.00
rbind throws away custom S3 classes 0.00
rvest not suitable for this scraping functionality 0.00
Faster way to tag a cell if its column name appears in preceding ce... 0.00
How to convert a .Rnw to an R script 0.00
Extract weeknumber in R using system1 from WEEKNUM function in ms-e... +0.83
Is it possible to include >=, <= operators when using setkey... +0.02
UNIX commands from R via shell function -0.79
data.table CJ with string as input +2.10
How to execute URL command in R 0.00
`DT[, function(.SD), by = ID]` behaves differently from `function(D... 0.00
Add column to df with matching information from another df (elegant... -1.33
Removing slides of a presentation using officer package in R 0.00
How to match two data frame with constraints in R? -1.08
Determine what is the closest x,y point to the center of a cluster 0.00
Calculate cummean() and cumsd() while ignoring NA values and fillin... +1.62
How to improve a "seeker" for databases in R? (See code) 0.00
Take unique values of a column and add each in unique column in sam... +0.55
r - duplicate records to indicate start and end times and flag them... +0.05
R: optim() when function has inputs in different formats 0.00
Merge two data Sets & filling in mulitple fields based on one c... 0.00
Reading multiple csv files in a folder for individual groups +1.32
R programming - not deleting the right column +0.17
How to identify frequencies of multiple columns based on condition... 0.00
align.time() in xts package taking huge time -1.15
returning command line from windows tasklist 0.00
Turn column into column of vectors -1.11
Having a function `t.test()` take multiple variables inputted to it... +1.14
How to find rolling sd over several months with daily data in R +0.02
R bootstrap weighted mean by group with data table 0.00
Adding new columns based to existing columns 's modalites with... -0.54
adding 2 cells when joining +0.43
Sum value by Combine all variable using R 0.00
Rowwise matrix multiplication in R -0.34
Return All Possible Combinations of Values -0.60
How to detect values in table's column and subtract them to ano... 0.00
How to filter data.table conditionally in R 0.00
lapply reversing 'by-variable' 0.00
Cumulative sum (or running-window sum) and carry-forward values in... 0.00
XPathApply- how to get results from TreeParse 0.00
Consecutive Across and Unique Number Within Group +0.56
Efficient indexing of date ranges across very large datasets +1.11
R data.table sum of group subset using dates +0.20
R pass parameter to SQL IN clause using dbBind (possible without gl... -0.01
Transpose multiple columns as column names and fill with values in R +0.24
Identify the occurence of value after another specific value +0.29
How to authenticate to Icobench.com API with 2 keys in R 0.00