Regression Review

Different ways to think about regression

  1. Describing the relationship between two variables (describing bivariate data)
    • correlation (assesses the linear relationship between two variables)
      • Two Parts.
        1. Covariance
          1. measures the association between two variables
          2. Literally, the variance across two variables
  2. Testing if a correlation is significantly different than zero
  3. Finding the line of best fit from a noisy data scatterplot

You regress DV on IV

The slope of the equation is the association between the two variables

 

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s