Ess-command

[Eric.Belpaire at equant.com]

Hello,

First of all, many thanks to all contributors for ESS.  It's great code.

rossini> It's simple in Windows, with R :-).
That's what I understood from reading the ESS manual too, but I didn't get
to implement it right.
rossini> What is the error?  That will let us know what went wrong.
Thanks for your offer to help.

I again checked that I set the right settings in ess-site.el; I have Ess
5.1.24 with Emacs 21.1 on Windows 95.
It seems as if emacs selects ess-language=sas and ess-dialect=sas, although
I've set this to ess-language=S and ess-dialect=R in my _emacs
initialisation file.  I've customised it with the Local / Ess group.
I've provided below my emacs lisp code, the backtrace and the *ESS* buffer
content.
What's the proper sequence of ess function calls?
Where should I set which variables (if it's not in _emacs)?

Thanks in advance for your help.
Eric

My emacs lisp code is:
(defun cum-ndist (x)
  "Compute the normal distribution function value with the R package."
  (let ((cmdline (concat "pnorm (" (number-to-string x) ")")))
    (inferior-ess)
    (ess-request-a-process "Message") ;; this line may be unneeded
    (ess-command cmdline)
    (ess-quit))) ;; this line may be unneeded
(cum-ndist 1.2048)
; End of emacs lisp code

The *Backtrace* reads:
Debugger entered--Lisp error: (wrong-type-argument stringp nil)
  string-match("[^      \n]+" nil 0)
  ess-line-to-list-of-words(nil)
  inferior-ess-make-comint("*SAS*" "SAS" nil)
  ess-multi("SAS" #<buffer *SAS*> nil)
  inferior-ess()
  (let ((cmdline ...)) (inferior-ess) (ess-request-a-process "Message")
(ess-command cmdline) (ess-quit))
  cum-ndist(1.2048)
  eval((cum-ndist 1.2048))
  eval-last-sexp-1(nil)
  eval-last-sexp(nil)
* call-interactively(eval-last-sexp)
End of *Backtrace*


The *ESS* buffer contains:
(ess-setq-vars-LOCAL): language=SAS, dialect=SAS, buf=unlikely-name.sas,
comint..echoes=nil, comint..sender=comint-simple-send
(ess-mode-1): ess-language=SAS, ess-dialect=SAS buf=unlikely-name.sas
(ess-mode-1.5): alist=((ess-local-customize-alist quote
SAS-customize-alist) (ess-language . SAS) (ess-dialect . SAS)
(ess-mode-editing-alist . SAS-editing-alist) (ess-mode-syntax-table .
SAS-syntax-table) (inferior-ess-program . inferior-SAS-program-name)
(ess-help-sec-regex . ^[A-Z. ---]+:$) (ess-help-sec-keys-alist .  )
(ess-object-name-db-file . ess-sas-nd . help("%s",pager="cat",window=F)
) (inferior-ess-exit-command . endsas;
) (ess-loop-timeout . 500000) (inferior-ess-primary-prompt . ^)
(inferior-ess-secondary-prompt . ^)
(comint-use-prompt-regexp-instead-of-fields . t) (inferior-ess-start-file)
(inferior-ess-start-args . inferior-SAS-args-temp)
(ess-local-process-name))
(ess-mode-1.6): editing-alist=((sentence-end . ;[
 */]*) (paragraph-start . ^[  ]*$) (paragraph-separate . ^[       ]*$)
(paragraph-ignore-fill-prefix . t) (adaptive-fill-mode)
(indent-line-function quote sas-indent-line) (require-final-newline . t)
(comment-start . \*\|/\*) (comment-start-skip . \*+) (comment-end . ;\|\*/)
(comment-column . 40) (parse-sexp-ignore-comments . t) (ess-set-style .
ess-default-style) (ess-local-process-name) (tab-stop-list .
ess-sas-tab-stop-alist) (ess-mode-syntax-table . SAS-syntax-table)
(font-lock-keywords-case-fold-search . t) (font-lock-defaults quote
(SAS-mode-font-lock-keywords)))
(ess-setq-vars-LOCAL): language=SAS, dialect=SAS, buf=unlikely-name.sas,
comint..echoes=nil, comint..sender=comint-simple-send

Finished setting up ESS-mode.
[ess-site.el]: ess-customize-alist=((ess-local-customize-alist quote
SAS-customize-alist) (ess-language . SAS) (ess-dialect . SAS)
(ess-mode-editing-alist . SAS-editing-alist) (ess-mode-syntax-table .
SAS-syntax-table) (inferior-ess-program . inferior-SAS-program-name)
(ess-help-sec-regex . ^[A-Z. ---]+:$) (ess-help-sec-keys-alist .  )
(ess-object-name-db-file . ess-sas-namedb.el) (inferior-ess-objects-command
. objects(%d)) (inferior-ess-help-command . help("%s",pager="cat",window=F)
) (inferior-ess-exit-command . endsas;
) (ess-loop-timeout . 500000) (inferior-ess-primary-prompt . ^)
(inferior-ess-secondary-prompt . ^)
(comint-use-prompt-regexp-instead-of-fields . t) (inferior-ess-start-file)
(inferior-ess-start-args . inferior-SAS-args-temp)
(ess-local-process-name))
[ess-site.el _2_]: ess-customize-alist=((ess-local-customize-alist quote
SAS-customize-alist) (ess-language . SAS) (ess-dialect . SAS)
(ess-mode-editing-alist . SAS-editing-alist) (ess-mode-syntax-table .
SAS-syntax-table) (inferior-ess-program . inferior-SAS-program-name)
(ess-help-sec-regex . ^[A-Z. ---]+:$) (ess-help-sec-keys-alist .  )
(ess-object-name-db-file . ess-sas-namedb.el) (inferior-ess-objects-command
. objects(%d)) (inferior-ess-help-command . help("%s",pager="cat",window=F)
) (inferior-ess-exit-command . endsas;
) (ess-loop-timeout . 500000) (inferior-ess-primary-prompt . ^)
(inferior-ess-secondary-prompt . ^)
(comint-use-prompt-regexp-instead-of-fields . t) (inferior-ess-start-file)
(inferior-ess-start-args . inferior-SAS-args-temp)
(ess-local-process-name))
END of *ESS* buffer.


rossini at blindglobe.net (A.J. Rossini) on 6 September 2002 22'12'11 writes:

What is the error?  That will let us know what went wrong.

>>>>> "eric" == Eric Belpaire <Eric.Belpaire at equant.com> writes:

    eric> Hello,
    eric> I would like to evaluate the cumulative normal function
    distribution value
    eric> of 1.2048 from within emacs lisp.
    eric> As there is no such function in emacs lisp, to the best of my
    knowledge, I
    eric> want to compute "pnorm (1.2048)"
    eric> via an inferior ESS process by means of ess-command.
    eric> I have Ess 5.1.24 with Emacs 21.1 on Windows 95.
    eric> (ess-command "pnorm \(1.204859\)") gives an error message.

    eric> Is this feasible?
    eric> If so, can someone indicate where I can find how to set this up
    properly?
    eric> (i.e. the right sequence of function call to get the answer in
    emacs lisp?)
    eric> If not, I would appreciate any other approach to do this
    evaluation.

    eric> Thanks in advance.





Eric BELPAIRE
Norma, 5th Floor, Office 9
18, rue Paul Lafargue - 92904 Paris La Defense 10 Cedex
Tel. +33 146 41 12 94 / CVS: 220 1294 / Mobile: none
mailto: Eric.Belpaire at equant.com

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