[R] data vector to corresonding percentile ranks

I have a problem where I need to calculate the corresponding cohort percentile ranks for each of several variables. Essentially, what I need is a function that will calculate the distribution-free percentiles from each variable's data vector, returning a corresponding vector of percentiles: e.g.

[R] fft with NA values

Hi List, I'm trying to perform some spectral analysis on a time series, but I've got a few data points missing, so they have NA values. Unfortunately, the fft function doesn't seem to like this, and gives a completely empty result. Other than making up values to fill in the gaps, is there any way

Re: [R] acf gives correlations > 1

t; G'day Steve, > > On Mon, 14 Sep 2009 13:44:56 +0200 > Steve Jones wrote: > >> Apologies for the missing data. It can be downloaded from here (22Kb): >> http://www.squaregoldfish.co.uk/sekrett/series.csv > > Well, the Details section of acf's help page

Re: [R] acf gives correlations > 1

Apologies for the missing data. It can be downloaded from here (22Kb): http://www.squaregoldfish.co.uk/sekrett/series.csv Steve. Duncan Murdoch wrote: > On 14/09/2009 6:40 AM, Steve Jones wrote: >> Hi list, >> >> I've been producing autocorrelation functions of ti

[R] acf gives correlations > 1

Hi list, I've been producing autocorrelation functions of time series using the acf function, and have found a series or two for which correlations of > 1 are given, which I think shouldn't happen. Attached is the time series I'm using, and below is the R code (version 2.9.1) that I'm entering:

Re: [R] acf Significance

r abraham ledolter etc. If you have MASS, it may be in > there also. > > I'm surprised it's not part of some output somewhere ? hopefully someone > else will say something because > I'm not an R expert so it still might be somewhere ? > > > > On Aug 6, 20

Re: [R] acf Significance

bject). that should show > if and where they are ? If I knew I would > just tell you so I'm not trying to be socratic. it's been a while since > I used acf(). > > > > > > On Aug 5, 2009, *Steve Jones* wrote: > > Hi List, > > I'm

[R] acf Significance

Hi List, I'm trying to calculate the autocorrelation coefficients for a time series using acf at various lags. This is working well, and I can get the coefficients without any trouble. However, I don't seem to be able to obtain the significance of these coefficients from the returned acf object, l

[R] Looking for an R advanced programming course in USA

Hi List, I am looking for an R advanced programming course in USA for April. Need to attend the course before April 31st. Regards - Steve [[alternative HTML version deleted]] __ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/l

[R] Any upcoming R training course in Boston or East Coast?

Hi List, I am new to R and hoping to convince my advisor to send me to a training course. If you know of any upcoming training course in Boston or East Coast, please let me know. Regards - Steve [[alternative HTML version deleted]] __ R-help@r