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Justin

Rating
1537.43 (13,179th) 		Reputation
33,896 (3,458th)
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Title Δ
How to remove trailing spaces in write.table in R +0.78
objects as integral bounds 0.00
sapply? tapply? ddply? dataframe variable based on rolling index of... 0.00
How can correlate against multiple columns using ddply? +0.28
download from web -1.22
adjust the scale in ggplot 0.00
write.table by factors +0.17
using summarize in ddply to get entire row based on max() of one co... 0.00
R - Filtering time series 0.00
ggplot2 - is there a way to override global aesthetic mappings whil... -1.89
R ifelse condition with hourly data: frequency of continuously NA 0.00
Use of constraints in R 0.00
Transform data.frame into sparse table (with NAs) 0.00
using multiple variables in plyr +0.50
R Grep file name for a variable +1.32
ifelse & for loop in R- help needed for a simple example -0.49
How to fill NA with median? +1.74
Extracting hashtags in several tweets using R -1.81
Read.table in R gives logical(0) +0.50
How can I derive a variable in R showing the number of observations... -0.11
stripping seconds from time data in R -0.27
split and combine by factor into new columns 0.00
Quick way to reshape -0.51
warning when calculating predicted values -1.91
collapsing a data frame by recurring elements in column [R] +0.94
remove columns with NAs from all dataframes in list -0.44
loop: selection of variable for correlation function in r +1.58
Functions Causing Objects to Disappear 0.00
Sum by distinct column value in R +2.16
DDPLY Grouping Error +0.45
Call plot() from an R script and get the graph in the output file? 0.00
ggplot to create multi line plot from csv file 0.00
R export data frame as list of entries 0.00
Fill column values by matching value in each row on column names -0.82
Alternative for looping in R +2.67
R multinom() function stops after 100 iterations, what is the reason? -0.38
Recreating a ggplot2 geom_point() using base graphics -0.52
Reading Tab Delimited Data in to R +0.50
In R, how do I add a cumulative max by group? -0.36
Remove a particular group of elements in a vector? +0.52
Get min value of a class reference field from a list of class refer... -0.49
delete a column with a certain % 0 0.00
Assigning output of a function to two variables in R +0.34
Why does tapply take the subset as NA and not exclude them totally 0.00
Per Second statistics in R -1.58
Recognize arbitrary file extensions in R? 0.00
Tabulating multiple response questions 0.00
R ggplot2 functions do not work 0.00
Removing Two Characters From A String -1.55
R's read.csv() omitting rows -1.33