What statistical analysis should I use?

I'm doing a statistical analysis of patients with urinary tract infections and I need help deciding what analysis method to use. I'm coding infection 0 = no and 1 = infection. My predictor variables are balloon size (which have 6 different sizes) and...

I want to find the relationship between a disease incidence in a region and a number of other environmental factors such as temperature, elevation etc. I have tables containing this data for a particular country. The data files are raster files of the...

I did a physics lab on static and kinetic friction. One part was to find the frictional force of static and kinetic when 3 blocks stacked on top of one another were pulled from rest (small surface area) and another was to do the same when 3 blocks were...

I am doing a Content Analysis of the "letter to the editor" column of 4 newspapers. I want to determine the willingness of people to accept cultural norms different to their own. What is the best way to make use of SPSS to illustrate my findings...

So far I have used Chi-Squared, but I need at least 2 different statistical tests. Any suggestions? Thanks in advance to those that answer. :)

what kind of tools or techniques do you use when the variable are interdependent, with critical points ...

See also the question To what extent do academics who do programming for academic research use standard software engineering practices, such as documentation and unit testing, to maintain their code?

I'm making a study about whether the more surgery you get, the higher the mortality rate is (on a specific disease). here is the data first column: number of interventios (surgery) that patients went through: values are 1, 2, 3, 4 second column: number...

Does anyone have experience using MATLAB or GAUSS for statistical analysis (specifically for financial modeling)? Pros/Cons/Prices of one or the other.