Data Mining part 2 slides

What are Predictor Variables or what is their importance?

Predictor Variables are bascially descriptions of someone. A predictor variable for instance could be number of children, height of a person, ex…

What do you use Predictor Variable to find?

you use them to find categorical variables.

What are Categorical Variables?

A categorical variable represents or places data into a category. Predictor variables are used to find a categorical variable. For instance your categorical vairable could be fruit and your predictor variables could be things like color, texture, size, ex,,, 

K-NN Analysis is what?

How to use the Euclidean distaince formula and what does it tell you?

Its main function is to tell you how close two things are related the smaller the number the closer in relation they are.

How to use: To use it you are using a basic slope formula essentially with a few differences. Match the variabels in the same category for each data point. Look at the formula for a better explanation.