# multi-variable

1. ### How to show in a simplify scientific way the post-hoc test of 4 variables involved, when 3 by 3 variables are significant?

In a multi-factorial experiment involving 4 variables (species(2x), temperature(2x), nutrients(2x) and light(3x)), 3 by 3 variables, for example, "species", "temperature" and "nutrients" are significant instead of the expected significance of the 4 variables together. I end up with 12 post-hoc...
2. ### is multiple regression the right choice for me?

I am trying to ascertain the relationship between three variables; two independent and one dependent so I'm fairly confident that a multiple regression would be the correct choice. However I'm not sure if this is correct because of the fact that I have repeated measures. I have repeated...
3. ### Multi Modal Example trying to assess correct Statiscal approach

I am trying to figure out the best statistical approach to address a problem. I am looking at 100 retail stores and looking at their hourly traffic. Trying to determine the best method to determine which locations have the largest amount of variable traffic. Any Thoughts? I certainly would...
4. ### Application of Multivariate Analysis

The following situation is proven valuable where multivariate analysis can be applied. This example is taken from the book Applied Multivariate Statistical Analysis written by Richard A. Jhonson & Dean W. Wichern.: "A study was conducted to investigate the reactions of cancer patients to...
5. ### One IV (2levels) 4 DVS - What test to use?

Hi all, Asked a question on this forum previously and the response is far greater than any other forum around! I have been collecting pre and post data for a psychological treatment 4 pre and 4 post data points (they are repeated meaures) for 500 clients, measured as Scale. The clients are...
6. ### Calculating probability that a business will find a buyer and sell

Bare with me whilst I try and explain this one. I work for a business that finds companies to buy a client business that's signed up with us. I have been compiling a spreadsheet with data of deals completed and closed during the past 2 years, and what I want to do is find a way to calculate the...
7. ### Multi-Variable Attribution Analysis

I have a multi-variable equation in which I am trying to run an attribution analysis for the change from one period to another. For example: Initial Period X*Y+Z = 100 Where X=2 Y=40 Z=20 Second Period X*Y+Z = 125 Where X=4 Y=30 Z=5 Change in value from initial period to second...