Search Archives

<SNIP> > n <- length(y) <SNIP> Tried running your code here. y is undefined. Fix that for a start. HTH, Mark

Hi, What commands would I look at to compare row-by-row two data frames of the same size and print out any differences between the two? Thanks, Mark

Hi, Is there a function that will convert this sort of date code which looks like "years from 1900 + month_number + day_number" with no spaces? As an example Jan. 3rd 2008 would be written as 1080103. Thanks, Mark

On Thu, Jan 6, 2011 at 1:33 PM, Gabor Grothendieck <ggrothendieck at gmail.com> wrote: <SNIP> > > That should as.chron, rather than chron, i.e. > > .Holidays <- as.chron(as.Date(holidayNYSE(year = 2010))) > Thanks. - Mark

I wonder if anyone has had a chance to read this book prior to it's availability on Amazon next week? http://www.amazon.com/gp/product/1137354070 It appears to be the author's first book. Cheers, Mark

On Wed, Oct 1, 2014 at 7:28 AM, Mark Knecht <markknecht at gmail.com> wrote: <SNIP> > > oB = getOrders(portfolio.st, stock.str, status="closed") > > Thanks in advance, > Mark Ah, I now see what's going on. Very cool. Cheers...

On Thu, Oct 29, 2009 at 9:45 AM, Jim Burke <j.burke at earthlink.net> wrote: > I think your are using R 2.10.0. > No, I was using 2.9 and updating to 2.10 solved it for...

Title asks it all. Thanks in advance, Mark a = 1:5 b1 = 2:6 Z = data.frame(a,b1) Z Z$b1 count = 1 MyName = paste("b",count,sep="") MyName Z$MyName N = as.name(MyName) Z$N

That's what I'm seeing here also but was afraid to say anything in jinx it. ;-) On Fri, Jan 3, 2014 at 10:07 AM, Paul Gilbert <pgilbert902 at gmail.com> wrote: > It seems that chart.yahoo.com has...

Hi, I cannot spot what controls the date range for daily data downloaded from Yahoo. Is that something out of my control & decided by Yahoo or is there a way for me to ask for more data? If it matters...

On Sun, Jan 9, 2011 at 11:12 AM, Edgar Vega <vegaderivatives at gmail.com> wrote: > Do you know any document on Fundamental and technical analysis in R? > Can you provide with that type of resource? > Thank You, > > Ed Have...

On Tue, Feb 8, 2011 at 11:30 AM, Prof Brian Ripley <ripley at stats.ox.ac.uk> wrote: > Try as.Date() with a suitable format (it only knows about internationally > standard formats), e.g. maybe you mean > >> as.Date...

Hi, I looked in the language definition and was surprised. Is there really no multi-line/block comment defined in R? I wanted to comment out 20 lines that I'm moving to a function but didn't want to...

Only slightly financial. Is there a function somewhere that implements a real crossing check, as in MA1 crosses above MA2 and not just MA1>MA2?. TTR seemed a likely candidate but I haven't found it there. I alsa tried...

On Sun, Nov 24, 2013 at 3:05 PM, fernando <faiube at gmail.com> wrote: > Please, > I am ploting a time series in which the x-axis are dates. > How to use the "segments" in this graph? > Thanks > If you...

Hi, I was wondering if there is any documentation on QuantMod trading models? It looks like this is a goal of the project but I don't see any documentation. Does it work? I have a number of automated systems...

On Sun, Jun 28, 2009 at 2:38 PM, Ted Harding<Ted.Harding at manchester.ac.uk> wrote: <SNIP> > More explicitly, it could be written: > > ? ?skip: integer: the number of lines of the data file to skip before > ? ? ? ? ?beginning to...

On Tue, Jul 7, 2009 at 12:17 PM, Henrique Dallazuanna<wwwhsd at gmail.com> wrote: > Try this: > > MyResults.GroupA <- subset(MyResults, PosType == 1) > > <SNIP> Darn those small screen fonts. I never noticed that! Every example I'm looking at...

On Mon, Jun 29, 2009 at 11:20 PM, utkarshsinghal<utkarsh.singhal at global-analytics.com> wrote: > Hi All, > > I am currently using R version 2.8.1 on linux cent os 4.4 (i386) and > want to upgrade to...

Hi all, I just wanted to send a general word of thanks to the list for making my first week using R successful (by my measures) and reasonably pleasurable. (Not a single literal RTFM!) ;-) I appreciate all the help I...