search for: lefrak

...uot;?integrate" page it is clearly written: If the function is approximately constant (in particular, zero) over nearly all its range it is possible that the result and error estimate may be seriously wrong. But this doesn't help in solving the problem. Thanks, Santanu JPSM, 1218J Lefrak Hall University of Maryland, College Park Phone: 301-314-9916 [[alternative HTML version deleted]]

...[1,] 5.901073e+00 2.015730e+07 [2,] 2.015730e+07 6.885474e+13 > B [,1] [,2] [1,] 1 2 [2,] 2 1 > B %*% ginv(B) %*% B [,1] [,2] [1,] 1 2 [2,] 2 1 Thanks in advance, Richard Valliant, Ph.D. University of Maryland Joint Program for Survey Methodology 1218 Lefrak Hall College Park MD 20742 (301)-405-0932 FAX: (301) 314-7912 [[alternative HTML version deleted]]

..., : object "Library" not found > I have tried deleting all the pieces I could find and re-installing, but that didn't seem to work. Any suggestions? Thanks, Catherine --------------------------------- Dr. Catherine Carter University of Maryland Department of Geography 1111A Lefrak 301.405.4620u

...gth(d)){ plot(value.b, dbeta(shape1 = value.b, shape2 = d[i], a.new), main = paste("B[",i,"]")) } Any help, comments would be gratefully acknowledged. Thanks in advance, Santanu -------------------------------------------------------------------- Santanu Pramanik JPSM, 1218J Lefrak Hall University of Maryland, College Park Phone: 301-314-9916 [[alternative HTML version deleted]]

...R which I can use? For further clarity, for (i in 1:2) { samp = sample(1:1000,100,replace = FALSE) print(samp) } For the above simulation, is it possible to generate the same sampled units twice? Any suggestion would be gratefully acknowledged. Thanks, Santanu Santanu Pramanik JPSM,1218J Lefrak Hall University of Maryland,College Park Phone no.-301-314-9916 [[alternative HTML version deleted]]

...nyone who could give me an example of how to import an ascii grid (i.e. ArcGIS exported raster) into R. I want to use it with gstat but don't know the appropriate import routine. Thanks very much for your help. Regards, femke Femke Reitsma Graduate Student (ABD) Geography Department 2181 LeFrak Hall University of Maryland College Park, MD 20742 Phone: 301-405-4121 E-mail: femke@geog.umd.edu http://www.glue.umd.edu/~femke/ [[alternative HTML version deleted]]

...verticals=TRUE). What is the do.points argument? I know what it does (suppresses printing of the points) but where can I find help on it? I want to be able to explain it fully to my students. Thanks for your help, Cathy -- Dr. Cathy Carter Department of Geography University of Maryland 1111A LeFrak Hall 301.405.4620

...ata) is there a way to control row spacing (other than getting rid of some rows). I checked the email archives but found no answers there or in the help file. I have R.1.8.1 Windows XP, 512 MB RAM Thanks, Richard Valliant, Ph.D. University of Maryland Joint Program for Survey Methodology 1218 Lefrak Hall College Park MD 20742 (301)-405-0932 FAX: (301) 314-7912 [[alternative HTML version deleted]]

Previous versions have this question have partially bounced. I apologize if parts of this are showing up multiple times on the list. Another try ... There was at one time an R package called Rdonlp2 for solving constrained nonlinear programming problems. Both the objective function and the constraints could be nonlinear in the decision variables. The package is no longer in the CRAN list.