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G. Grothendieck

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1622.82 (1,021st) 		Reputation
165,339 (319th)
Page: 1 ... 95 96 97 98 99 ... 105
Title Δ
a sequence of str_match in a data.table +0.36
r - find same times in n number of data frames +0.18
Compute mean and standard deviation by group for multiple variables... +0.66
how to do 'converge' style functional programming in R? +0.32
data.table: using setkey with a column name variable 0.00
Separate rows of data by 0 values in R -2.12
R nls to fit custom gompertz curve 0.00
Matching a sequence in a larger vector +0.36
Multiple replacement in R +1.67
Problems converting variable into proper datetime format in R +0.97
dynamic regex in R +0.09
data.table not updating by reference anymore 0.00
A reshape puzzle in data.table +1.96
Using Awk Commands in R to Extract Data +0.34
File and directory structure of a r project -1.29
Possible to change the record delimiter in R? +0.39
Producing a rolling average of an unbalanced panel data set -0.62
Can I use !# Rscripts in Windows +0.36
How do I impose condition on Diagonal elements of a Matrix in R Lan... +1.46
R: Vectorize Finite Difference Equations -0.16
Specify different types of missing values (NAs) -1.33
Parsing out a line in R to pick different objects +1.13
Plot value over hour of day with xts/zoo R +1.51
Plotting time series with R +0.11
R optimization with fixed sum of parameters -1.20
What is the best way to parse this flat text format in R? 0.00
Simple pivot table type transformation in R statistics +1.26
Read the data from a text file and reshape the data in R -0.03
regex out a text from a line in R -2.45
Sliding window in R 0.00
event log tabulation table 0.00
How to aggregate one column and separate them by comma in a data fr... +1.79
Aggregating weekly (7 day) data to monthly in R 0.00
How to build a data frame from several xls files? +1.25
Change two separate columns of month and year into one for date in R -0.28
Convert a data frame with many time series into a list of single va... +1.79
Mutable version of apply? +1.18
How can I change the format of this dates in R -0.29
How can I have this deparse function working +2.24
R: gsub and capture -2.26
How to select rows in an R data frame based on values of previous r... +0.17
Finding first datetime by group +1.52
Returning anonymous functions from lapply - what is going wrong? 0.00
use 'by'-style apply function but referencing other subsets +1.43
Can I get() an R global environment variable by reference? +2.20
rollapply applied to xts object +0.25
Cumulative count of unique values in R +0.03
read.xls - how to read in the name of the sheet -0.10
Specify the number of characters to be matched using a variable -2.28
melt with chron +2.02