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Questions related to Statistical Software
I am working with millions of compounds and in my system I could run 35000 at a time. For handling millions of data dividing the set into 35000 won't be feasible. So please suggest any method for...
11 November 2014 1,690 4 View
how to Perform least significant difference or critical difference in minitab. Plz explain
11 November 2014 1,220 1 View
The results of SPSS are not same if we calculate them manually e.g if the mean is 25.03 and Median is 26 as per SPSS the skewness value is -.708. Is it right or wrong?
11 November 2014 8,088 3 View
Verbek (2000) argues that it is necessary to test normality in the context of probit estimation to ensure consistence of Betas. Wooldrige (2002) affirms that it is true that in presence of...
10 October 2014 8,282 7 View
I used to work on Sigma stat but it has been discontinued
10 October 2014 8,135 8 View
I need the syntax or command for a 2-stage conditional maximum likelihood estimation using STATA.
10 October 2014 4,805 1 View
Does anyone know how to specify a nested random effect in Proc nlmixed?
10 October 2014 6,855 2 View
I have a problem with how to test the difference of two models, one is a unconstrained model, the other one is constrained, with a variable (or more) coefficient forced to be equal. The code is as...
10 October 2014 977 1 View
I am trying to perform a partial CCA in CANOCO 4.5. When chosing some groups of variables as variables and the rest of the environmental variables as covariables to calculate the net effect of the...
09 September 2014 5,504 3 View
Easy to use freeware about light pollution modeling (LPM).
09 September 2014 7,676 3 View
Looking for a good statistical software. I am looking for a complete one with a simple to use interface for the no statistician. Thanks a lot.
08 August 2014 4,807 21 View
It looks promising since the software seems to be integrated in MS Office and looks fairly user friendly. I have always used SPSS in the past, it has been surely useful but is not exempt from...
08 August 2014 7,788 4 View
Explain using an example
07 July 2014 8,453 0 View
Explain giving an example
07 July 2014 6,246 4 View
If yes, then kindly give me GenStat Manual version 12.
07 July 2014 2,469 0 View
What is your favorite applied stats book on nonlinear mixed models or MLM? Include user manuals or great summary articles if applicable. I work mostly in Stata and SAS, but touch R from time to...
06 June 2014 4,910 2 View
I want to retrieve value from an satellite sea surface temperature image, the figure is obtained from the downloaded papers. Does anyone know how to extract the values from this pictures? Thanks
05 May 2014 348 2 View
I write my code. The model is syntactically correct, data is loaded and model compiled, but when I generate inits, I have some problem.
05 May 2014 9,250 10 View
I am going to do a double-blind RCT. I usually use computer program to generate randomization number and opaque envelopes to conceal the treatment allocation. I just learnt that some online...
05 May 2014 3,266 0 View
I am running the unit-root test of Im et al. (2003) for panel data using Stata (xtunitroot ips). I started with the least restrictive model including a constant, a trend, and the maximum possible...
04 April 2014 882 1 View
I want to apply Fleiss' kappa for a content validity test.
03 March 2014 6,709 5 View
I have a trivariate system for which component Z is highly dependent upon both the ratio between and the total values of components X and Y. When plotted on a ternary diagram (see attached) they...
03 March 2014 9,118 4 View
I am trying to see if my data violates the multivariate normality assumption, and want to use MPLUS for an EFA/CFA.
15 February 2014 7,261 4 View
02 February 2014 9,547 3 View