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Rating Stats for

Joshua Ulrich

Rating
1638.69 (725th)

Reputation
144,356 (398th)

Page: 1 ... 23 24 25 26 27 ... 35

Title	Δ
How does lapply really work - lapply dcast?	0.00
R package development - function aliases	0.00
Extending rank() "Olympic Style"	-0.62
Import text file as single character string	-2.03
annoying "feature" (or bugs?) for RODBC	0.00
Can't access items after an lapply	-0.02
Populate NAs in a vector using prior non-NA values?	0.00
Use R or mysql to calculate time period returns?	0.00
How to count the number of concurrent users using time interval data?	-1.49
using xts object with lm and rollapply	0.00
Automate zip file reading in R	-0.50
How to load CSV data file into R for use with quantmod	+0.12
plotting SPX vs. VIX using quantmod in R	+0.39
seq() for POSIXct	-1.28
R: data-time objects in data frame	0.00
grepl: Search within a string that does not contain a pattern	0.00
Dates and Times in separate columns, convert to datetime in R	+2.08
Why is xts implemented as a matrix rather than a data frame?	0.00
Does the ternary operator exist in R?	-0.39
Most efficient list to data.frame method, when the list is a list o...	+1.56
R: merge.xts common columns	0.00
Access Data Frame Columns in R mmap objects	0.00
Rewrite this list-comprehension in R	-0.57
R: xts complex queries	-0.13
Convert data frame with date column to timeseries	+1.45
Issue with quantmod add_TA and chart_Series - lines and text disapp...	0.00
Getting data from minute xts objects at particular minute	+0.36
Dividing each row of an xts or zoo time series object by a fixed row	0.00
R: applying function over matrix and keeping matrix dimensions	+1.20
Quantmod save tickers to files in a loop or lapply	+0.09
mean from row values in a dataframe excluding min and max values in R	0.00
Read multidimensional group data in R	0.00
How to merge two datasets by the different values in R?	+0.67
using predict with a list of lm() objects	+1.53
How do I read a text file into R when each record is a paragraph an...	+0.43
Get a consistent vector of list element names	-1.02
Creating a new variable from a lookup table	-0.60
if instead of else	+1.15
Calculate difference of two xts time series when values are at diff...	+0.38
Repeat list object n times	-1.80
rollapply time series in R (zoo) on backward looking data	0.00
Creating a function to replace NAs from one data.frame with values...	+0.58
R + reshape: using colsplit w/regex	0.00
Can an R function access its own name?	+1.62
Aligning multiple xts time series plots	0.00
R 2.14 byte compile - not possible with install.packages?	0.00
How to convert character of percentage into numeric in R	+0.71
Elegant way to report missing values in a data.frame	0.00
Splitting a string on the first space	+1.26
Natural way to represent hash tables/dictionaries/maps in R	0.00