Ok so I have this huge table of survey data - much of it numerical, much of it binary, some of it from selections from menus of text items (e.g. blue, green, orange etc). Where do I start to find the most noticeable relationships between variables? [more inside]
posted on May 7, 2008 - 13 answers

Looking for free or low cost (under $50) multiple linear regression software which ideally works with Microsoft Excel (but not critical). Any recommendations?
posted on Apr 17, 2008 - 17 answers

Statistics-filter: I need to establish to what extent student performance on a particular standardized test is predicted by each of the following: GPA, standardized test scores and a couple of other miscellaneous numerical factors. How do I go about this? [more inside]
posted on Mar 6, 2008 - 11 answers

I've spent the past day or so trying to figure out how to calculate a hidden value in my data. It varies linearly with time, or closely enough that we can make that assumption within any given dataset. Where this goes beyond a simple linear regression is that each datapoint is known to be above or below the hidden value. The data is collected in a C# program and processed in Excel; an Excel function would be the ideal solution. [more inside]
posted on Apr 3, 2006 - 14 answers

I'm trying to run an ordinal regression in SPSS. Are my independent variables factors or covariates? [more inside]
posted on Jun 21, 2005 - 6 answers

Statisticsfilter: I need help figuring out how to pound a regression model into submission. [more inside]
posted on Apr 1, 2005 - 9 answers