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Rating Stats for

Joshua Ulrich

Rating
1638.69 (725th)

Reputation
144,356 (398th)

Page: 1 ... 13 14 15 16 17 ... 35

Title	Δ
Passing a C++ package library to a doParallel cluster	0.00
lapply-ing with the "$" function	0.00
Calculate cumulative standard deviation	0.00
How to change name of row variable in a table	0.00
Distinguishing a vector from a matrix in R	+1.32
apply.quarterly(): Error in coredata.xts(x) : currently unsupported...	0.00
Using get() to reference columns in quantmod arrays with R?	0.00
R: extract part of a filename	-0.42
General function that adds segments to a graph in quantmod	0.00
Weird conversion problems with POSIXct	0.00
"invalid argument type" error with all.equal. R	0.00
List of data.frames to list of xts objects	0.00
Is there an idiomatic way to get a vectorized conditional mean in R	+0.32
finding max number of consecutive 1 in a string?	+1.61
Extracting binary data from a mixed data file	0.00
Variable changes unexpectedly after commands are run in R	+0.84
Converting tick data to OHLC bars using R	0.00
Making the same calculation for multiple files	0.00
Speeding up For loop for large dataframe	+0.32
What algorithm is R using to calculate mean?	+0.32
Is there a vectorized implementation to refer to a value in the pre...	0.00
Faster way to count occurrences in 5 minute segments?	+1.31
How do I merge a zoo object but using a lag and a varying column?	0.00
More elegant way to return a sequence of numbers based on booleans?	+1.18
R: Using ellipsis with a function that takes a arbitrary number of...	+0.30
Getting historical price for specific dates using R	0.00
How do I get the column name (or number) of a multi series zoo obje...	-0.95
counting values within a certain range within a sliding window	0.00
How to do & plot simple and rolling linear regression on financ...	-1.20
Create column with multiple ifelse()	-2.27
Using R statistics add a group sum to each row	+0.87
R - Evaluate a nested function in an environment	-1.71
Running two instances of R in order to improve large data reading p...	+0.31
Why won't `cat` append to a `file` connection?	+1.32
Can somebody explain me this datetime result	+0.31
Issue with XTS index and trading days	0.00
Annual, monthly or daily mean for irregular time series	+0.31
evaluate multiple functions of one dataframe and cbind them in R	0.00
R: Extending function to other (S3) classes	-1.14
R: strptime() and is.na () unexpected results	0.00
Create a function method for all possible time series classes	0.00
Getting an integer vector from C to R Lanugage using .Call	0.00
Determining which R architectures are installed	+1.41
cbind function creates misaligned xts object	0.00
How to get row of data frame in R	0.00
Efficiently transform multiple columns of a data frame	+1.43
R/zoo: index entries in ‘order.by’ are not unique	0.00
time-weighted average in xts or zoo	0.00
convert raw to long in R?	-0.67
How to convert 10-minute time blocks to 1-minute intervals in R	0.00