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> Subject: Re: [R] Applying forecast functions to columns in a data frame
>
> Simple operations like mean etc. can be applied
> using lapply but not statistical functions.
>
> --NONSENSE!
>
> func <- function(x){
>##write any function y
functions to columns in a data frame
Simple operations like mean etc. can be applied
using lapply but not statistical functions.
--NONSENSE!
func <- function(x){
##write any function you like
z <- sin(x^2-2)+rnorm(length(x))
lm(z~ seq(along=z))
}
dat <- dat
On Jun 22, 2010, at 11:10 AM, phani kishan wrote:
Hey!
On Tue, Jun 22, 2010 at 8:11 PM, David Winsemius > wrote:
On Jun 22, 2010, at 10:32 AM, Henrique Dallazuanna wrote:
Try this:
lapply(DF, auto.arima)
I am getting the following error:
"Error in if (PVAL == min(tablep)) warning("p-value
Hey!
On Tue, Jun 22, 2010 at 8:11 PM, David Winsemius wrote:
>
> On Jun 22, 2010, at 10:32 AM, Henrique Dallazuanna wrote:
>
> Try this:
>>
>> lapply(DF, auto.arima)
>>
> I am getting the following error:
"Error in if (PVAL == min(tablep)) warning("p-value smaller than printed
p-value") else wa
On Jun 22, 2010, at 10:32 AM, Henrique Dallazuanna wrote:
Try this:
lapply(DF, auto.arima)
I cannot comment on the relative merits of auto.arima or the forecast
function, but I did notice that earlier today that Gabor Grothendieck
(who, I suspect, could comment knowledgeably) mentioned t
Try this:
lapply(DF, auto.arima)
On Tue, Jun 22, 2010 at 11:26 AM, phani kishan wrote:
> Hey,
> I have a list of 30 odd time-series (products) in columns of a data-frame.
> I want to apply time-series forecasting functions across all the columns of
> the data-frame in order to determine which is
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