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Rating Stats for

Joshua Ulrich

Rating
1638.69 (725th)
Reputation
144,356 (398th)
Page: 1 ... 10 11 12 13 14 ... 35
Title Δ
Rbind with XTS. How to stack without sorting by index date 0.00
ES calculation produces unreliable result (inverse risk) for column... 0.00
getSymbols downloading data for multiple symbols and calculate retu... -0.43
How can I preserve xts format for fitted data after regression? -0.12
xyplot, Error in `[.xts`(y, id) : 'i' or 'j' out of... 0.00
xts subset quarterly data 0.00
Finding Mean of Vector, Excluding Quantile Cutoffs in R +1.92
R generate a sequence like 111222333444555666777.....505050 +0.33
Function condition on panel data with rollmean function - zoo packa... 0.00
Is there a way to return POSIXct object to R from C? +1.54
Rolling Standard Deviation in a Matrix in R -2.10
standard deviation on dataframe does not work 0.00
Filter xts objects by common dates -2.39
Strange argument parsing in write.csv 0.00
How to apply xts function per row in a dataframe 0.00
R difference between [[]] and [] 0.00
Why I can not inastall some R packages on Ubuntu 10.04? 0.00
R:How to add VWAP on a quantmod chart? -2.69
XTS replacement error NextMethod(.Generic) : number of items to rep... 0.00
R function for adjusting for stock splits and dividend 0.00
See chart in R Shell 0.00
Subsetting xts in R 0.00
Idiomatic way to coerce xts object's data attribute to double 0.00
How to prevent write.csv from changing POSIXct, dates and times cla... 0.00
Remove empty entries from list 0.00
Difference between lm function and arma function 0.00
runFun over segments of a vector -2.17
Why does "xts" in R cannot recognize my date series? 0.00
Extracting the numerical values of a xts object 0.00
XTS time series error with Performance Analytics 0.00
Performance Analytics error Error in na.omit.xts(x) : unsupported t... 0.00
R performance issues using gsub and sapply 0.00
Quick alternative for subsetting by time +1.60
R DEoptim() function: How to select parameters to be opimised? 0.00
Memory usage in R array assignment 0.00
How to call core C function in R code? 0.00
R environment / hash table slows down as it grows to millions 0.00
getOptionChain() with expiration date doesn't seem to limit to the... 0.00
How to preserve NA values when using which.min() with apply()? -0.02
Error 'x' must be numeric? 0.00
Aggregate xts object by time of day 0.00
Use base function but only with specific class 0.00
How can I prevent leading spaces when transforming integer columns... -2.29
Append value to empty vector in R ? +1.59
R: Split a xts columns into variables 0.00
Account for daylight savings when converting from GMT in R 0.00
Whats the native, default index class of a xts object? 0.00
replacement for na.locf.xts (extremely slow when used with a multic... 0.00
C or fortran libraries fails to load in R 0.00
Combine xts OHLC from different sources 0.00