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dickoa

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1539.15 (12,229th) 		Reputation
15,176 (9,273rd)
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Title Δ
Rcpp map/dictionary/list -0.08
How do I apply a custom multi-variate function to each row of a dat... +1.08
r - convert the searchTwitter output to data frame? 0.00
Two for loops in R -0.53
svd of very large matrix in R program +1.99
Check if a timezone is valid in R -1.59
Create ts variables from matrix, given list of variable names -0.11
POSIXct date matching (probably easy!) -0.11
Opening SHP file in RStudio +0.44
download.file() in R has non zero exit status +1.92
How to identify/delete non-UTF-8 characters in R -0.24
How do I merge two vectors probabilistically in R +4.17
Which or Apply function in R +2.73
R caret glmnet standardize = FALSE 0.00
Why is R's implementation of the Douglas-Peucker algorithm so slow? 0.00
How to split data into training/testing sets using sample function... +3.86
How to properly implement user-defined aggregate function with dcast 0.00
Date vs. Temperature Data Frame: Finding max temperature each day i... -1.55
How to Create a R TimeSeries for Hourly data 0.00
Is there any standard way to implement an S4, foreach-compatible it... -3.12
Converting data frame element to string in R +0.08
Project Euler #29 in R -1.63
Select row N based on values from row N-1 across list of data frames -1.29
Parse "next day" time +3.80
Extract and sort specific values from an R data frame +3.84
Plot titles in R using sapply() +4.15
Extract a numeric vector from data frame in R -4.13
Optimisation in R using Ucminf package +3.95
How to add column to data frame after subsetting it with plyr? -3.58
Replace the first N dots of a string revisited +4.23
Using R to sum values for cross-sectional unit in panel data -4.38
Sampling package - strange behaviour of strata function 0.00
How to set ',' as decimal separator with R, RStudio +0.03
Additional function name but with fewer arguments +0.44
Use the original matrix to get a couple of new matrices +3.73
Side by Side histograms in the Same Graph in R? -3.85
Dummy variables from a string variable -3.10
Convert system output into a vector 0.00
Reclassify select columns in Data Table +1.75
Output multiple objects from function R 0.00
split up a matrix in matrices by value of column nodes in R -4.22
How to plot stacked point histograms in ggplot2 in R? +3.73
Using a column entry as a "selector" for datasets in R 0.00
split characters into two variables in data frame -1.44
Calculate distance from GPS data 0.00
Sort a list of data.frames 0.00
Performing Operations on a Subset Using Data Table -3.09
How to extract maximal value from a group of variables in a data fr... +0.58
Simulate data from (non-standard) density function +1.06
Gretl - how to compute a matrix 0.00