# mlr

1. ### linear regression - how to include curve functions into my scatterplot

or my task I have to: Draw a scatter plot 'price' (y-axis) vs. 'distance center' (x-axis). Then estimate the relationship between these 2 variables for the values 1, 2, 3, 4, 5 and 6 of the variable 'number of people' (so that you end up with six regression functions in your scatterplot)...
2. ### 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...
3. ### Categorical or Continuous ?

Hello everyone, I have done an experiment in Ergonomics and now I'm dealing with the analysis. It's about a manual lifting task and heart rate recovery time. I have one main response which is heart rate recovery in minutes (obviously continuous), and three Indep variables: weight of the...
4. ### F-Test for SLR & MLR?

I am trying to finish a homework problem for a grad level stats class and can't seem to find an answer anywhere to this question written in plain English. What is the difference between an F-test in SLR versus in MLR? It seems like this should be cut and dry, but after looking in two...
5. ### Confused: Mixed model, step-wise regression, testing for random effects

Dear all, I want to perform a MLR (mixed model) on a data set (details below) that has both numeric and categorical explanatory variables. The data is as below: Sample number: 85 Response variable: Y (numeric) Explanatory variables: Sr.No. Variable...
6. ### Analysis of electricity consumsion

Hello @all I want to analyze on how several factors have an effect on electricity consumtion (measured in mw). Before I start to gather the data, I want to be sure whether my methodology is fine. The outcome I want to achive is a forecast function. I have the data on consumtion over a...