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Joshua Ulrich

Rating
1638.69 (725th) 		Reputation
144,356 (398th)
Page: 1 2 3 4 5 6 7 ... 35
Title Δ
MACD function in R TTR package giving different result for same dat... -0.73
Count consecutive events 0.00
Is this quantstrat code unusually slow? 0.00
R - xts object encountering character string is not in a standard u... 0.00
Is there a way to paste csv data into R instead of reading from file? +1.84
How to handle an ambiguous century in datetime objects? +0.32
Sequence of time stamps every three hours -2.12
R Improve performance of function(s) +0.31
Override base assignment function 0.00
error in converting xts to data.table +1.26
R - how to convert JavaScript timestamp to human date time with as.... 0.00
How to use .indexyear in xts package 0.00
Calculating annual return from monthly return, why does it generate... -2.25
Unable to connec to yahoo URL using Shiny and quantmod 0.00
Convert .csv file for further manipulation using 'highfrequency... -0.68
How to check if stopCluster (R) worked +1.56
Left Join Data.Frame to XTS object on Date (Index) 0.00
Merge xts objects with different time intervals +0.31
15 Minute Period for Time Series -0.20
xts object data and data.frame object data don't seem to match... 0.00
DEoptim error: objective function result has different length than... 0.00
Reading CSV in R with zoo -1.43
How to lag a matrix in R +0.86
Invisible indicator addTA Quantmod 0.00
apply.rolling window / loop with a rank function 0.00
Quantmod getSymbols warning messages +1.33
Why does as.Date applied to an xts index produce a different result? 0.00
object mktdata not found 0.00
Quantstrat: Execute on the same bar 0.00
strptime returning NA 0.00
R Error: index is not in increasing order 0.00
Performance Issue in R 0.00
Merging zoo object using do.call in R 0.00
Quantstrat sigPeak error: "k must be a non-negative integer&qu... 0.00
xts - how to subset on each day of the week +0.30
filling empty xts object in R -0.70
Subsetting timeseries data -0.34
Very slow: xts dividing a column by first row 0.00
How to capture the output of system() +1.45
xts to.quarterly giving incorrect results for monthly +0.32
Calculate cumulative product over 1 year time windows in R -0.71
How can I merge 3 time series in R? -0.18
Subsetting xts objects - index functions not working -0.58
building a large xts object out of a list of files with rbind.xts a... 0.00
R xts calculating percentage index on multiple series +1.40
How do I use multiple tickers when using getFin in r? 0.00
How to replace a particular date's High price of a `xts` data? 0.00
How to test an installed package with testthat? +0.32
Error when adding a signal in quantstrat package 0.00
Plot Brock value in R 0.00