HI,
Thank you, I will try this, and let you know about the results.

Thanks once again.

Gauri

2011/4/8 Steve Lianoglou <mailinglist.honeypot@gmail.com>

> Hi,
>
> First: Please make sure you CC R-help when responding to messages on
> the list so that more people can help you, and more people can benefit
> from help that is provided. You can do so easily by replying with
> "reply-all."
>
> Now:
> Look at the help for the lars function:
>
> R> ?lars
>
> You'll see that `x` should be a matrix. I guess it doesn't say as
> much, but `y` should be a (numeric) response.
>
> Both of x and y in your case are data.frames. Convert them to the
> appropriate objects and try again, eg:
>
> R> x <- as.matrix(x)
> R> y <- as.numeric(y[,1])
>
> Now make sure that these objects look right by (among other things)
> examining the output of:
>
> R> head(x)
> R> head(y)
>
> Then try lars again.
>
> Also, I'd suggest using the glmnet package instead of lars. It's
> written by the same people and you'll get both the lasso and
> elasticnet under one roof.
>
> -steve
>
> On Fri, Apr 8, 2011 at 1:54 PM, gauri j <gauri.jape7@gmail.com> wrote:
> > hi,
> > the output of commands given by you, is as follows,
> >
> >
> > command:
> > R> is(x)
> > R> apply(x, 2, function(x) is(x)[1])
> > R> is(y)
> >
> >
> >
> > output:
> > is(x)
> > [1] "data.frame" "list"       "oldClass"   "vector"
> >> apply(x, 2, function(x) is(x)[1])
> >        V1        V2        V3        V4        V5        V6        V7
> > V8
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >        V9       V10       V11       V12       V13       V14       V15
> > V16
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V17       V18       V19       V20       V21       V22       V23
> > V24
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V25       V26       V27       V28       V29       V30       V31
> > V32
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V33       V34       V35       V36       V37       V38       V39
> > V40
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V41       V42       V43       V44       V45       V46       V47
> > V48
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V49       V50       V51       V52       V53       V54       V55
> > V56
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V57       V58       V59       V60       V61       V62       V63
> > V64
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V65       V66       V67       V68       V69       V70       V71
> > V72
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V73       V74       V75       V76       V77       V78       V79
> > V80
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V81       V82       V83       V84       V85       V86       V87
> > V88
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V89       V90       V91       V92       V93       V94       V95
> > V96
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >       V97       V98       V99      V100      V101      V102      V103
> > V104
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V105      V106      V107      V108      V109      V110      V111
> > V112
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V113      V114      V115      V116      V117      V118      V119
> > V120
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V121      V122      V123      V124      V125      V126      V127
> > V128
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V129      V130      V131      V132      V133      V134      V135
> > V136
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V137      V138      V139      V140      V141      V142      V143
> > V144
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V145      V146      V147      V148      V149      V150      V151
> > V152
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V153      V154      V155      V156      V157      V158      V159
> > V160
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V161      V162      V163      V164      V165      V166      V167
> > V168
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V169      V170      V171      V172      V173      V174      V175
> > V176
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V177      V178      V179      V180      V181      V182      V183
> > V184
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V185      V186      V187      V188      V189      V190      V191
> > V192
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V193      V194      V195      V196      V197      V198      V199
> > V200
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V201      V202      V203      V204      V205      V206      V207
> > V208
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V209      V210      V211      V212      V213      V214      V215
> > V216
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V217      V218      V219      V220      V221      V222      V223
> > V224
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V225      V226      V227      V228      V229      V230      V231
> > V232
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V233      V234      V235      V236      V237      V238      V239
> > V240
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V241      V242      V243      V244      V245      V246      V247
> > V248
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V249      V250      V251      V252      V253      V254      V255
> > V256
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V257      V258      V259      V260      V261      V262      V263
> > V264
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V265      V266      V267      V268      V269      V270      V271
> > V272
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >      V273      V274      V275      V276      V277      V278      V279
> > V280
> > "integer" "integer" "integer" "integer" "integer" "integer" "integer"
> > "integer"
> >> is(y)
> > [1] "data.frame" "list"       "oldClass"   "vector"
> >
> > On Fri, Apr 8, 2011 at 11:11 AM, Steve Lianoglou
> > <mailinglist.honeypot@gmail.com> wrote:
> >>
> >> Hi,
> >>
> >> On Fri, Apr 8, 2011 at 10:33 AM, gauri j <gauri.jape7@gmail.com> wrote:
> >> > hi,
> >> > I have problem in following code, error is occurred. I have attached
> my
> >> > data
> >> > herewith. and my code is as following,
> >> >> library(lars)
> >> > Loaded lars 0.9-8
> >> > Warning message:
> >> > package 'lars' was built under R version 2.12.2
> >> >> x<- read.table("D:/spring '11/james reggression/NewFeature.txt")
> >> >> y<-read.table("D:/spring '11/lars/RFU.txt")
> >> >> out<- lars(x,y, type = "lasso")
> >> > Error in one %*% x : requires numeric/complex matrix/vector arguments
> >>
> >> What is the output for the following commands?
> >>
> >> R> is(x)
> >> R> apply(x, 2, function(x) is(x)[1])
> >> R> is(y)
> >>
> >>
> >> --
> >> Steve Lianoglou
> >> Graduate Student: Computational Systems Biology
> >>  | Memorial Sloan-Kettering Cancer Center
> >>  | Weill Medical College of Cornell University
> >> Contact Info: http://cbio.mskcc.org/~lianos/contact
> >
> >
>
>
>
> --
> Steve Lianoglou
> Graduate Student: Computational Systems Biology
>  | Memorial Sloan-Kettering Cancer Center
>  | Weill Medical College of Cornell University
> Contact Info: http://cbio.mskcc.org/~lianos/contact
>

	[[alternative HTML version deleted]]

