search for: dweeb

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2012 Dec 03
2
How to make the cell background of a table informative?
I wish to create a table in which the foreground is a number (abundance) but the background is a visual representation of a ratio (shallow:deep). In other words, the background of each cell of the table would be two colours or patterns set in a similar fashion to a stacked bar in a bar graph based on a secondary parameter/vector. The table will be extensive (15 by 30) and so I don't want to
2006 Sep 01
1
Summary --- Local library under Windoze.
...xperimented to verify this. The crucial thing, as Prof. Ripley suggested, is --- under Windoze --- to specify the full pathname of the library into which you wish to install the package. [Perhaps this might be mentioned in the documentation for install.packages() --- to save future grief for dweebs like myself.] It is indeed correct that R won't know about this library if it is not in the library path, but you can *tell* it about this library: library("foo",lib.loc="lnilp") (where ``lnilp'' means ``library not in library path''). BTW, lib.l...
2017 Mar 28
2
A trap for young players with the lapply() function.
..." > > So that advice suggests something like: > > xxx <- lapply( X=y, FUN=function(X,x){cos(X*x)}, x=2*pi ) That is of course very sound advice, but it pre-supposes that the user is *aware* that there is a pitfall to be avoided. I was hoping for something that would protect dweebs like myself from the pitfall given that we are too obtuse to be cognizant of its existence. I think that the suggestion I made, in response to a posting by Barry Rowlingson, that the first argument of lapply() be given the name of ".X" rather than just-plain-X, would be (a) effective...
2017 Mar 28
0
A trap for young players with the lapply() function.
...ggests something like: >> >> xxx <- lapply( X=y, FUN=function(X,x){cos(X*x)}, x=2*pi ) > > > > That is of course very sound advice, but it pre-supposes that the user is > *aware* that there is a pitfall to be avoided. I was hoping for something > that would protect dweebs like myself from the pitfall given that we are too > obtuse to be cognizant of its existence. > > I think that the suggestion I made, in response to a posting by Barry > Rowlingson, that the first argument of lapply() be given the name of ".X" > rather than just-plain-X, w...
2017 Mar 27
2
A trap for young players with the lapply() function.
From time to time I get myself into a state of bewilderment when using apply() by calling it with FUN equal to a function which has an "optional" argument named "X". E.g. xxx <- lapply(y,function(x,X){cos(x*X)},X=2*pi) which produces the error message > Error in get(as.character(FUN), mode = "function", envir = envir) : > object 'y' of
2005 Jan 20
3
Samba LDAP and add machine script problems
I'm trying to integrate Openldap with Samba version 3.0.10. I have populated my LDAP server via smbldap-populate.pl and I've gotten PAM to recognize LDAP as an authentication mechanism. Thus, I can add a user with smbldap-useradd.pl and su to that user. The problem I am having is when I attempt to add a computer from MS Windoze XP. When I attempt to join my domain XP prompts me for a