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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)
Reputation
165,339 (319th)
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Title Δ
Importing from CSV from a specified range of values -0.13
Is there an alternative function to `Reduce` for arrays sum in r +0.36
How are the intermediate values between observations in time series... 0.00
Finding derivate of function in R -1.43
R apply function with dynamic criteria 0.00
Plotting a line per row of a dataframe, at given x-values, using gg... -0.17
Retrieve all rows with same minimum value for a column with sqldf +0.34
sqldf and POSIXct +1.92
anova(lm1, lm2) output: Error in anova.lmlist(object, ...) : models... 0.00
Applying function using multiple columns as argument , function ret... 0.00
Find the best medical pathway +1.30
Binning a Date into quarters 0.00
How to calculate the percent change of a data frame column, then th... +0.35
R: complex string extraction using regex 0.00
Selecting specific rows with Sqldf using where clause in R +1.46
How can i get the "Data slot" from a given R S3 object? -2.53
Splitting Strings in R by data type +1.45
R data processing involving strsplit +1.48
What am I doing wrong in converting my data frame into xts for time... -0.62
Plotting dataframe as time series in r 0.00
nls2 treats vectored initial values as single elements, unlike nls +2.47
Extract string between nth occurrence of character and another char... +0.01
Applying Instr function in reverse order using sqldf +0.26
reshape a data.frame based on similar value in one column 0.00
How create an R function that take a FUN as parameter +2.45
Factor to Month-Year Conversion in R +0.40
Transforming multible columns from wide to long format. -0.64
Problems import csv indexed by dates -0.60
Rolling sum in specified range +0.37
R LOCF until end of Month in xts object +1.35
R - Automatically stack every nth column of a data frame and save t... +1.50
Dynamic Formulae from Text in R 0.00
How to install package RSQLite.extfuns in R +1.81
Why two numeric divide, the result is zero? using SQLDF in R 0.00
Fastest way to extract date from date time in R +0.40
R: setting environment names as arguments to new.env() 0.00
convert Qqyyyy to quarter using as.yearqtr 0.00
I want to know an automated way to load the data set when the files... -0.11
How to specify quotechar in R when writing csv? 0.00
Dynamic group_by argument based on a list, R, for loop/function -0.63
In r how to make a pipeline with 2 parts of a data frame as paramet... 0.00
How to vectorize from if to ifelse with multiple statements? +0.39
Passing lists to sqldf 0.00
ggplot time series, error:Don't know how to automatically pick... 0.00
Replace NA with average of the case before and after the NA +1.63
Efficient way to Fill Time-Series per group -1.96
Row-wise extract characters that differ between two strings +1.13
Rolling correlation with data.table 0.00
Rolling prediction in a data frame using dplyr and rollapply 0.00
Convert time (24 hours format) in character type to time in R 0.00