[R-SIG-Mac] Error scan update to question

[Ken Beath]

Hi,

The problem is that specify.model() is not terminating its input and  
so is reading R commands, see line 38. I have only looked at sem, but  
maybe a blank line will work.

Ken

On 16/05/2008, at 6:15 AM, David Kaplan wrote:

> Hi all,
>
> I was asked to provide a bit more information.  Here is the output  
> to the problem.  Note that I changed the data format to tab- 
> delimited and also used read.table, but to no avail.  The problem is  
> exactly the same when I use .csv data and read.csv.  The program I'm  
> using is John Fox's SEM program within R for Mac.   The 2123 is the  
> sample size and there are no missing data values, or any other  
> peculiarities as far as I can see.  The data are clean.
>
>
>
> > ## CFA for Kerry Data Set, Question 3
> > ## load the sem package
> >
> > KerryQ3 <- read.table("~/Desktop/KerryQ3a.txt", header=TRUE)
> > KerryQ3cov <- cov(KerryQ3)
> > model.KerryQ3 <- specify.model()
> 1: f1 -> calcm, lam11, NA
> 2: f1 -> phytoc, lam21, NA    3: f1 -> soypro, lam31, NA
> 4: f1 -> antiox, lam41, NA
> 5: f1 -> fiber, lam51, NA
> 6: f1 -> vitmin, lam61, NA
> 7: f1 -> protn, lam71, NA
> 8: f1 -> monoft, lam81, NA
> 9: f1 -> omega3, lam91, NA
> 10: f2 -> chol, lam102, NA
> 11: f2 -> fat, lam112, NA
> 12: f2 -> sugar, lam122, NA
> 13: f2 -> calor, lam132, NA
> 14: f2 -> recarb, lam142, NA
> 15: f2 -> trnsft, lam152, NA
> 16: f2 -> sodium, lam162, NA
> 17: f2 -> satfat, lam172, NA
> 18: f1 <-> f1, NA, 1
> 19: f2 <-> f2, NA, 1
> 20: f1 <-> f2, ph21, NA
> 21: calcm <-> calcm, th1, NA
> 22: phytoc <-> phytoc, th2, NA
> 23: soypro <-> soypro, th3, NA
> 24: antiox <-> antiox, th4, NA
> 25: fiber <-> fiber, th5, NA
> 26: vitmin <-> vitmin, th6, NA
> 27: protn <-> protn, th7, NA
> 28: monoft <-> monoft, th8, NA
> 29: omega3 <-> omega3, th9, NA
> 30: chol <-> chol, th10, NA
> 31: fat <-> fat, th11, NA
> 32: sugar <-> sugar, th12, NA
> 33: calor <-> calor, th13, NA
> 34: recarb <-> recarb, th14, NA
> 35: trnsft <-> trnsft, th15, NA
> 36: sodium <-> sodium, th16, NA
> 37: satfat <-> satfat, th17, NA
> 38: sem.model.KerryQ3 <- sem(model.KerryQ3, KerryQ3cov, 2123)
> 38: summary (sem.model.KerryQ3)
> Error in scan(file, what, nmax, sep, dec, quote, skip, nlines,  
> na.strings,  :
> scan() expected 'a real', got '2123)'
> > std.KerryQ3 <- standardized.coefficients(sem.model.KerryQ3)
> Error in standardized.coefficients(sem.model.KerryQ3) :
> object "sem.model.KerryQ3" not found
> >
>
> -- 
> ===============================================================
> David Kaplan, Ph.D.
> Professor
> Department of Educational Psychology
> University of Wisconsin - Madison
> Educational Sciences, Room, 1061
> 1025 W. Johnson Street
> Madison, WI 53706
>
> email: dkaplan at education dot wisc dot edu
> homepage:
> http://www.education.wisc.edu/edpsych/facstaff/kaplan/kaplan.htm
> Phone: 608-262-0836
>
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