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G. Grothendieck

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1622.82 (1,021st) 		Reputation
165,339 (319th)
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Title Δ
Edit adresses with regular expressions in R -1.44
R: how to average within overlapping time periods +1.43
How to curry a ... argument by position in R? -1.00
passing arguments succinctly when the number of arguments is unknown +2.22
R - predicting simple dyn model with one lag term 0.00
Numbering Duplicates in R using sqldf 0.00
substitute letters with corresponding set of letters +1.48
R: How to average data within different time periods defined in a d... +1.79
Environment chaining in R +2.26
What should I use instead of pass-by-reference in R? 0.00
R removing time series with only zero values from a data frame +0.63
R: Capitalizing everything after a certain character -0.87
Get specific substring of a sequence +1.53
how to read time series in xts? +0.38
split on last occurrence of digit, take 2nd part -0.65
Possible to use read.zoo() to read an unindexed time series from ht... 0.00
Convert a character vector of mixed numbers, fractions, and integer... -0.20
read.xls() from gdata package fails with "no lines available i... +0.34
What is the idiomatic way to check and document function preconditi... -1.67
Using sqldf and RPostgreSQL together 0.00
gsub return an empty string when no match is found -0.68
Generate a list of expression literals from an integer sequence -1.95
regarding data( ) function in R -0.15
Does R have an equivalent of Python's "repr" (or Lisp's &... -0.89
How to partition when ranking on a particular column? -1.55
How to extract xml data from a CrossRef using R? 0.00
Can rollapply return a list of matrices? +0.10
How to make lm display in its output a formula passed to it as a va... +1.29
stating quote as "quote" in sqldf +0.34
R, removing everything but html tags from a Corpus -0.75
Merge data.frames with duplicates +0.33
Counting an event only every X days per subject (in an irregular ti... +0.98
using sqldf() to select rows that match a million items +0.34
How to use RMySQL in Windows? -1.73
Using generic functions of R, when and why? +1.63
internal NA time series, zoo, R 0.00
How to find good start values for nls function? +0.02
Multiple plots with high-level plotting functions, especially plot.... -0.40
Multipage lattice panel arrangement -0.53
reading monthly returns in R 0.00
replacing hourly missing value with yearly average of that hour of... +1.69
ts class - converting time stamps to numbers 0.00
R formulas and resulting coefficient names 0.00
Creating a zoo object from a csv file (with a few inconsistencies)... +1.41
Subtract previous year's from value from each grouped row in data f... -0.18
sqldf: Changes timestamp from localtime to GMT/UTC 0.00
R adding century to year 0.00
What is the best method to bin intraday volume figures from a stock... +1.60
How to create a column based on values in the rows above/below the... -0.19
get element of a matrix in R +1.37