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Rating Stats for

G. Grothendieck

Rating
1622.82 (1,021st)

Reputation
165,339 (319th)

Page: 1 ... 64 65 66 67 68 ... 105

Title	Δ
R: Unambiguous format when reading zoo and converting to with "...	-0.21
Optimizing preprocessing data frame in R	+0.34
Concatenate in R (equivalent of COALESCE when using sqldf)	-0.59
How to Vectorize splitting a Date in R into Multiple Columns	+0.25
Reading CSV in R with zoo	+2.10
R: How to work with time series of sub-hour data?	0.00
how to move strings up and down and remove similar ones from them?	+0.56
Rolling sum with varying window sizes	0.00
Non linear regression with nls2 package	0.00
custom aggregation function in dcast	+1.40
Similar function to SQL where clause in R	-1.67
R Is Run in GUI or Not?	0.00
R: Replace NA with previous occurrence in	+0.92
Documentation and code for functions that require a backtick ` to a...	0.00
Escaping an apostrophe in Sqldf with R	+0.34
Avoiding a for loop (with temp variables) in R	+0.88
R sqldf not being selective in date range criteria	-0.16
can you use rollmedian with even length k?	0.00
Calculate mean, median and mode from grouped frequency table	+2.25
Use rollapply() to get mean of specific/custom rows	-2.80
lpSolve - optimize objective function to specific value	0.00
dplyr split string into a comma separated list	+1.71
R fitting equation (Nikolsky-Eisenman equation) to data	-2.13
Need to extract date after a certain section in a text file in R	0.00
Cross-validation for non-linear regression using nls in R	0.00
How to add an annotation to the bottom of the graph?	+1.82
Recursive function that operates on its own preceding output	0.00
R programming language LOOPS	+0.34
How can I prevent select() from retrieving an empty dataframe when...	-0.48
Creating multiple smaller 4x4 matrices from a larger 576x4 matrix i...	0.00
Finding "similar" rows performing a conditional join with...	+0.34
R - Fast rowsum matrix of every n-th element	-0.17
String split and duplicate row in R?	-0.62
root values of simultaneous nonlinear equations in R	+0.34
Get name in formula dynamically in R	+0.96
Failing to do fitting with non linear fitting methods (nlsLM, nlxb...	0.00
Creating a new vector based on pair of levels in R or Excel	+0.37
Can we make prediction with nlxb from nlmrt package?	0.00
subtract rows from data frame in R with two factors using zoo or be...	+0.53
Finding non-negative Integer solutions to X +2Y +5Z = 12 in R	-1.41
Convert multiple elements of a list into a matrix R	-0.68
Merge and adjust two overlapping time series in R	0.00
Count number of short strings in a long string in R	+1.13
R - Fast way to calculate rolling mean with varying width	+0.35
How to lag one column in a merged zoo object	+0.32
Add id by group which resets to 1 in R	+0.19
R regex semicolon	+1.81
how do you create regex to subset data frame based on some search s...	-0.67
Using approx in dplyr	-1.53
Parsing price out of a character string with regex in R	-1.38