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G. Grothendieck

Rating
1622.82 (1,021st)
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165,339 (319th)
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Title Δ
How to get maximum value from a column in a data.frame and get ALL... -1.49
How to best compress timeseries into a different duration? 0.00
better string interpolation in R 0.00
PROC MODEL in SAS write in R 0.00
Basic Plotting in "Modeling Techniques in Predictive Analytics... +0.37
calculate max length of each field in csv file +1.54
How to create a symmetry correlation matrix easier in R? 0.00
Finding the last date of each month in a data frame +0.41
R aggregate by large number of columns -1.20
Converting an equation into R code 0.00
Is there a library to parse numbers in R? 0.00
convert text file separated by new line to csv file -0.69
How to detect a gap in series data using R -0.62
Producing Rolling Averages Within A Data Set -0.63
Reading text into data.frame where string values contain spaces 0.00
Subset based on repeated values in row and conditional in column in... -0.40
R slight difference since ‘sqldf’ version 0.4-10, treating of perio... 0.00
strsplit with non-character data -0.15
Predict on xts object not generating dates for future forecasted po... 0.00
Colophon for an R book -0.40
Proper way to have two functions access a single function's env... +1.88
How to return matched regex in R gsub +1.47
plot a circle/convex hull arround a given percentage of points 0.00
Weekly time series in R 0.00
R:How to replace string to integer? +0.71
Roll apply for partial time series in R 0.00
Time series data frame in R 0.00
How to convert four digit Year values to Date type in R? -0.14
R: sequence of substituted expressions from sequence of values +2.19
R: output a pivot-like table with subtotals 0.00
R - Is for(x in x) valid? 0.00
Finding longest repeating element in vector +1.94
Using R to Compare Dates -0.12
read.csv() in R with all character columns and one numeric column -0.27
Working with time in R +0.35
Removing loops in RecordLinkage 0.00
Imputation for bounding NA observations using a linear approximation -0.68
R - gsub a specific character of a specific position +1.17
Storing plot objects in R 0.00
How to convert from numeric to format of dates and time? +0.39
R sqldf - match.fun(asfn) 'c("as.labelled", "as.... 0.00
Extract House Number from (address) string using r -2.11
I am trying to figure out how to parse a webpage 0.00
Paste all possible diagonals of an n*n matrix or dataframe -0.95
Importing and analysing non-rectangular .csv files in R +2.00
Music Genre classification based on plays in radios 0.00
how to number subgroups in a dataframe in R +2.17
Subsititute everything except an specific regular expression from a... +1.82
R lm: Create regressions dynamically -0.11
Splitting strings from integers in R -0.98