multiple linear regression

  1. N

    Linear regression analysis

    Hi all, I am having problems with analysis. I want to perform a multiple linear regression. 1). The dependent variable and all but one of the independent variables is normally distributed. I was made aware that the independent variables don't have to be normally distributed to use it for a...
  2. R

    Multiple Linear Regression: to split or not the data

    Hi all, I'm currently modelling running performance using multiple linear regression. The data has GENDER and AGE as inputs amongst others, the target is RACE_TIME. I've partitioned the data into training and test for cross validation purposes. I've tried a couple of approaches 1) to generate...
  3. F

    Design principle Parameter vector multi linear regression

    Hi all, Can someone please describe to me the construction principle of testing the parameter vector B (beta) in the multiple linear regression model? Many thanks in advance! Regards Max
  4. L

    SPSS Regression - Independent Variable excluded

    Hello, I was running a linear multiple regression as well as a logistic multiple regression in SPSS. After that when looking at the results, I realised that in each regression, one independent variable was automatically excluded by SPSS. Did we do something wrong here or what do we have to do...
  5. L

    Multiple Linear Regression results

    Hi guys, I've run a hierarchal multiple linear regression with two predictors and one outcome variable, however I don't understand my results. I've found predictor A to be a significant predictor for my outcome variable alone. However, when both my predictors are in the model, predictor A is...
  6. S

    Constant not sig. in multiple regression - does it matter?

    I did a hierarchical multiple linear regression in SPSS with three predictor variables. All the variables have high F-values and are highly significant at each step of the model, but the constant is not significant (0.079) in the last step. Should I disregard all the results just because of...