search for: myexpr

Displaying 4 results from an estimated 4 matches for "myexpr".

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2010 Feb 08
2
the hat ^ in regular expression
Un texte encapsul? et encod? dans un jeu de caract?res inconnu a ?t? nettoy?... Nom : non disponible URL : <https://stat.ethz.ch/pipermail/r-help/attachments/20100208/52a6d080/attachment.pl>
2009 Jan 12
2
assign a list using expression?
Dear R-users, I would like to assign elements to a list in the following manner: mylist <- list(a = a, b = b, c = c) To do this I tried myexpr <- expression(a = a, b = b, c = c) mylist <- list( eval(myexpr) ) It ends up by overwriting a when b is assigned and b when c is assigned. Additionally the element of the list does not have a name. Could you tell me why this is the case? Thank you very much in advance! Best regards, Nils
2006 Dec 18
3
turning expression object to function
Dear all, I have the following problem. Given an expression object 'expr' containing a certain set of symbols (say 'a', 'b', 'c'), I would like to translate the expression object in an R function of, say, 'a', programmatically. Here an example of what I mean. Given: > expr <- expression(a+b+c) a call like: > asFunctionOf(expr, 'a',
2007 Sep 24
1
Error: cannot allocate vector of size...
Hi, I want to change .RDA file to a text file. So I did as follows. >load("my.rda") >ls() ---> then it showed [1] exprs >write.table(exprs,"C:\\my.txt",sep="\t") I was successful with the first .RDA file. Then I used the same commands with another .RDA file (172 MB)which is 4 times bigger than the first file (41.2 MB). When I put the last command