search for: reeturns

Displaying 6 results from an estimated 6 matches for "reeturns".

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2008 May 08
10
GetAsyncKeyState
I wrote an application in c++ which should return the GetAsyncKeyState(0x01). But I always get 0. If I click on the window of my app,I will get the right answer. GetAsyncKeyState should return systemwide clicks! The same things happens when I write a VB application. I found an app written in Delphi which uses the GetAsyncKeyState call and returns systemwide clicks. Can someone tell me whats the
2007 Feb 19
2
Calculating the Sharpe ratio
Hi useRs, I am trying to calculate the Sharpe ratio with "sharpe" of the library "tseries". The documentation requires the univariate time series to be a portfolio's cumulated returns. In this case, the example given data(EuStockMarkets) dax <- log(EuStockMarkets[,"FTSE"]) is however not the cumulated returns but rather the daily returns of the FTSE
2020 May 22
0
paste(character(0), collapse="", recycle0=FALSE) should be ""
I understand that this is consistent but it also strikes me as an enormous 'gotcha' of a magnitude that 'we' are trying to avoid/smooth over at this point in user-facing R space. For the record I'm not suggesting it should return something other than "", and in particular I'm not arguing that any call to paste *that does not return an error* with non-NULL
2020 May 22
5
paste(character(0), collapse="", recycle0=FALSE) should be ""
Gabe, It's the current behavior of paste() that is a major source of bugs: ## Add "rs" prefix to SNP ids and collapse them in a ## comma-separated string. collapse_snp_ids <- function(snp_ids) paste("rs", snp_ids, sep="", collapse=",") snp_groups <- list( group1=c(55, 22, 200), group2=integer(0), group3=c(99,
2020 May 22
2
paste(character(0), collapse="", recycle0=FALSE) should be ""
I agree with Herve, processing collapse happens last so collapse=non-NULL always leads to a single character string being returned, the same as paste(collapse=""). See the altPaste function I posted yesterday. Bill Dunlap TIBCO Software wdunlap tibco.com On Fri, May 22, 2020 at 9:12 AM Herv? Pag?s <hpages at fredhutch.org> wrote: > I think that > >
2020 May 24
0
paste(character(0), collapse="", recycle0=FALSE) should be ""
Herve (et al.), On Fri, May 22, 2020 at 3:16 PM Herv? Pag?s <hpages at fredhutch.org> wrote: > Gabe, > > It's the current behavior of paste() that is a major source of bugs: > > ## Add "rs" prefix to SNP ids and collapse them in a > ## comma-separated string. > collapse_snp_ids <- function(snp_ids) > paste("rs", snp_ids,