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How to re-configure/specify worksheet size from the 'option'?

Errors: There are three types of errors. One shows me 'out of memory'. And the 2nd one shows me 'no sufficient worksheet size. The 3rd one is that MLwiN is just crashed and turn off. I have two questions. 1)can MLwiN handle such a huge data?

Basically, it doesn't work for the whole data on MLwiN (even single level logistic) although it works for a subset smaller data (about 5000). I don't realize any problems for importing the entire whole data.

I am doing 2-level logistic modeling using MLwiN. My data has >250,000 individuals within >700 clusters. I have less than 10 covariates.

I'm trying to get a 2.5 million dataset from SAS into MLWiN. I've tried to use a SAS macro and also, to just export my data to a text file. When I use the macro to try to get my data into MLwiN, it says that it's "scanning data" -- it slows down at about 600,000 and stops at approximately ...

I'm trying to export data sets from MLwiN into files that have an ASCII file format (or .csv or SPSS data files). Selecting the ASCII text file output from the File menu command allows me to specify a column range c1-c10 and an output file name (and destination). But the resultant text file has the ...

Is it possible that MLwiN has problems reading underscores ("__")? For example, reading ___ABC the same as ABC ?

I'm attempting to open a new worksheet directly from .dta (STATA) format and I get the error message "Duplicate name(RSTA)."

I entered a categorical variable into my model as an explanatory variable, and although there are no observations in one of the categories of this variable, a dummy variable for this category was still included in the model. How can I remove it without removing all the dummy variables for this categ...

Are there any issues I should be aware of when opening my Stata/SPSS/Minitab files with MLwiN v2.1?