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roger koenker

2007-Oct-12 15:16 UTC

[Rd] no visible binding

Could someone advise me about how to react to the message:

* checking R code for possible problems ... NOTE
slm: no visible binding for global variable 'response'

from R CMD check SparseM    with
* using R version 2.6.0 Under development (unstable) (2007-09-03 r42749)

The offending code looks like this:

"slm" <-
function (formula,  data, weights, na.action, method = "csr",
     contrasts = NULL, ...)
{
     call <- match.call()
     m <- match.call(expand.dots = FALSE)
     m$method <- m$model <- m$x <- m$y <- m$contrasts <-  m$...
<- NULL
     m[[1]] <- as.name("model.frame")
     m <- eval(m, sys.frame(sys.parent()))
     if (method == "model.frame")
         return(m)
     Terms <- attr(m, "terms")
     weights <- model.extract(m, weights)
     Y <- model.extract(m, response)
     X <- as.matrix.csr(model.matrix(Terms, m, contrasts))
     fit <- {
         if (length(weights))
             slm.wfit(X, Y,  weights, method, ...)
         else slm.fit(X, Y,  method, ...)
     }
     fit$terms <- Terms
     fit$call <- call
     attr(fit, "na.message") <- attr(m, "na.message")
     class(fit) <- c(if (is.matrix(Y)) "mslm", "slm")
     fit
}


url:    www.econ.uiuc.edu/~roger            Roger Koenker
email    rkoenker at uiuc.edu            Department of Economics
vox:     217-333-4558                University of Illinois
fax:       217-244-6678                Champaign, IL 61820

Uwe Ligges

2007-Oct-12 16:57 UTC

head link

[Rd] no visible binding

Dear Roger,

simply use quotes as in:

model.extract(m, "response")

Best,
Uwe



roger koenker wrote:> Could someone advise me about how to react to the message:
> 
> * checking R code for possible problems ... NOTE
> slm: no visible binding for global variable 'response'
> 
> from R CMD check SparseM    with
> * using R version 2.6.0 Under development (unstable) (2007-09-03 r42749)
> 
> The offending code looks like this:
> 
> "slm" <-
> function (formula,  data, weights, na.action, method = "csr",
>      contrasts = NULL, ...)
> {
>      call <- match.call()
>      m <- match.call(expand.dots = FALSE)
>      m$method <- m$model <- m$x <- m$y <- m$contrasts <- 
m$... <- NULL
>      m[[1]] <- as.name("model.frame")
>      m <- eval(m, sys.frame(sys.parent()))
>      if (method == "model.frame")
>          return(m)
>      Terms <- attr(m, "terms")
>      weights <- model.extract(m, weights)
>      Y <- model.extract(m, response)
>      X <- as.matrix.csr(model.matrix(Terms, m, contrasts))
>      fit <- {
>          if (length(weights))
>              slm.wfit(X, Y,  weights, method, ...)
>          else slm.fit(X, Y,  method, ...)
>      }
>      fit$terms <- Terms
>      fit$call <- call
>      attr(fit, "na.message") <- attr(m,
"na.message")
>      class(fit) <- c(if (is.matrix(Y)) "mslm",
"slm")
>      fit
> }
> 
> 
> url:    www.econ.uiuc.edu/~roger            Roger Koenker
> email    rkoenker at uiuc.edu            Department of Economics
> vox:     217-333-4558                University of Illinois
> fax:       217-244-6678                Champaign, IL 61820
> 
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel

Roger Bivand

2007-Oct-12 16:59 UTC

head link

[Rd] no visible binding

On Fri, 12 Oct 2007, roger koenker wrote:
> Could someone advise me about how to react to the message:
>
> * checking R code for possible problems ... NOTE
> slm: no visible binding for global variable 'response'
>
> from R CMD check SparseM    with
> * using R version 2.6.0 Under development (unstable) (2007-09-03 r42749)
>
> The offending code looks like this:
>
> "slm" <-
> function (formula,  data, weights, na.action, method = "csr",
>     contrasts = NULL, ...)
> {
>     call <- match.call()
>     m <- match.call(expand.dots = FALSE)
>     m$method <- m$model <- m$x <- m$y <- m$contrasts <- 
m$... <- NULL
>     m[[1]] <- as.name("model.frame")
>     m <- eval(m, sys.frame(sys.parent()))
>     if (method == "model.frame")
>         return(m)
>     Terms <- attr(m, "terms")
>     weights <- model.extract(m, weights)
>     Y <- model.extract(m, response)                             ^^^^^^^^

which becomes:
> as.character(substitute(response))[1] "response"

inside model.extract. I'm not sure why codetools doesn't pick up weights
in the same context one line earlier, probably because weights is also 
assigned to.

Hope this helps,

Roger
>     X <- as.matrix.csr(model.matrix(Terms, m, contrasts))
>     fit <- {
>         if (length(weights))
>             slm.wfit(X, Y,  weights, method, ...)
>         else slm.fit(X, Y,  method, ...)
>     }
>     fit$terms <- Terms
>     fit$call <- call
>     attr(fit, "na.message") <- attr(m, "na.message")
>     class(fit) <- c(if (is.matrix(Y)) "mslm", "slm")
>     fit
> }
>
>
> url:    www.econ.uiuc.edu/~roger            Roger Koenker
> email    rkoenker at uiuc.edu            Department of Economics
> vox:     217-333-4558                University of Illinois
> fax:       217-244-6678                Champaign, IL 61820
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>
-- 
Roger Bivand
Economic Geography Section, Department of Economics, Norwegian School of
Economics and Business Administration, Helleveien 30, N-5045 Bergen,
Norway. voice: +47 55 95 93 55; fax +47 55 95 95 43
e-mail: Roger.Bivand at nhh.no

Peter Dalgaard

2007-Oct-12 16:59 UTC

head link

[Rd] no visible binding

roger koenker wrote:> Could someone advise me about how to react to the message:
>   I'd try putting quotes in

model.extract(m, "response")

(and also in

model.extract(m, "weights")

even though you're not seeing the complaint on that one).

> * checking R code for possible problems ... NOTE
> slm: no visible binding for global variable 'response'
>
> from R CMD check SparseM    with
> * using R version 2.6.0 Under development (unstable) (2007-09-03 r42749)
>
> The offending code looks like this:
>
> "slm" <-
> function (formula,  data, weights, na.action, method = "csr",
>      contrasts = NULL, ...)
> {
>      call <- match.call()
>      m <- match.call(expand.dots = FALSE)
>      m$method <- m$model <- m$x <- m$y <- m$contrasts <- 
m$... <- NULL
>      m[[1]] <- as.name("model.frame")
>      m <- eval(m, sys.frame(sys.parent()))
>      if (method == "model.frame")
>          return(m)
>      Terms <- attr(m, "terms")
>      weights <- model.extract(m, weights)
>      Y <- model.extract(m, response)
>      X <- as.matrix.csr(model.matrix(Terms, m, contrasts))
>      fit <- {
>          if (length(weights))
>              slm.wfit(X, Y,  weights, method, ...)
>          else slm.fit(X, Y,  method, ...)
>      }
>      fit$terms <- Terms
>      fit$call <- call
>      attr(fit, "na.message") <- attr(m,
"na.message")
>      class(fit) <- c(if (is.matrix(Y)) "mslm",
"slm")
>      fit
> }
>
>
> url:    www.econ.uiuc.edu/~roger            Roger Koenker
> email    rkoenker at uiuc.edu            Department of Economics
> vox:     217-333-4558                University of Illinois
> fax:       217-244-6678                Champaign, IL 61820
>
> ______________________________________________
> R-devel at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-devel
>   

-- 
   O__  ---- Peter Dalgaard             ?ster Farimagsgade 5, Entr.B
  c/ /'_ --- Dept. of Biostatistics     PO Box 2099, 1014 Cph. K
 (*) \(*) -- University of Copenhagen   Denmark          Ph:  (+45) 35327918
~~~~~~~~~~ - (p.dalgaard at biostat.ku.dk)                  FAX: (+45) 35327907

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