Function: org-babel-execute:R

org-babel-execute:R is a byte-compiled function defined in ob-R.el.gz.

Signature

(org-babel-execute:R BODY PARAMS)

Documentation

Execute a block of R code BODY according to PARAMS.

This function is called by org-babel-execute-src-block.

Source Code

;; Defined in /usr/src/emacs/lisp/org/ob-R.el.gz
(defun org-babel-execute:R (body params)
  "Execute a block of R code BODY according to PARAMS.
This function is called by `org-babel-execute-src-block'."
  (save-excursion
    (let* ((result-params (cdr (assq :result-params params)))
	   (result-type (cdr (assq :result-type params)))
           (async (org-babel-comint-use-async params))
           (session (org-babel-R-initiate-session
		     (cdr (assq :session params)) params))
	   (graphics-file (and (member "graphics" (assq :result-params params))
			       (org-babel-graphical-output-file params)))
	   (colnames-p (unless graphics-file (cdr (assq :colnames params))))
	   (rownames-p (unless graphics-file (cdr (assq :rownames params))))
	   (full-body
	    (let ((inside
		   (list (org-babel-expand-body:R body params graphics-file))))
	      (mapconcat 'identity
			 (if graphics-file
			     (append
			      (list (org-babel-R-construct-graphics-device-call
				     graphics-file params))
			      inside
			      (list "},error=function(e){plot(x=-1:1, y=-1:1, type='n', xlab='', ylab='', axes=FALSE); text(x=0, y=0, labels=e$message, col='red'); paste('ERROR', e$message, sep=' : ')}); dev.off()"))
			   inside)
			 "\n")))
	   (result
	    (org-babel-R-evaluate
	     session full-body result-type result-params
	     (or (equal "yes" colnames-p)
		 (org-babel-pick-name
		  (cdr (assq :colname-names params)) colnames-p))
	     (or (equal "yes" rownames-p)
		 (org-babel-pick-name
		  (cdr (assq :rowname-names params)) rownames-p))
             async)))
      (if graphics-file nil result))))