ferpferraro's articles:

Items(4) /1

standard error of parameter nlin 0 315 (1/24/2010 6:36:19 PM) comp.soft-sys.sas NLIN converged, but it does not calculate the aprox st error of one parameter in my model. What that means? How do I calculate it? Thanks :) ... ferraro85

SAS problem note - Any idea II! (I changed my set of data..but I got the same note again) 0 19 (9/24/2008 12:36:18 PM) comp.soft-sys.sas I tried specify D..changed the method..but it seems no work at all....Any suggestion? I am learning working on SAS..and it is driving me crazy already! a=5500 to 6000 by 50 b=2 to 4 by 0.01 c=0 to 0.05by 0.0... ferpferraro

SAS problem note - Any idea????? 0 18 (9/23/2008 3:09:50 PM) comp.soft-sys.sas ata gompertz; input x y; cards; 0 1555 4 1715 18 1662 28 2243 35 2065 42 3022 49 3408 55 2861 63 3059 70 3346 76 4400 90 4384 ; proc print; proc nlin best=20 method=newton; parms a=5500 to 6000 by 50 b=2 to 4... ferpferraro

SAS problem note 0 28 (9/22/2008 9:41:44 PM) comp.soft-sys.sas I am working with SAS proc Nlin and I want to know what the messagen : Convergence criterion met but a note in the log indicates a possible problem with the model" means. How I fix it? Is there a huge problem w... ferpferraro