How to use factor () or ordered () to create ordered factors

This article mainly introduces how to use factor () or ordered () to create an ordered factor, which has a certain reference value, and interested friends can refer to it. I hope you can learn a lot after reading this article.

Use factor () or ordered () two functions to convert ordinary variables into ordered factors.

Factors are used to store category variables (categorical variables) and ordered variables, and to classify or count them. Ordinary variables can be converted into ordered factors by using factor () or ordered () functions.

For example:

> Aventic ("a", "c", "e", "b", "d")

Factor

> B=factor (A _ level _ ac e b dLevels ("a", "b", "c", "d", "e"), ordered = T) > B [1] level: a

C=ordered ("a", "b", "c", "d", "e") > C [1] ac e b dLevels: a < b < c < d < e Thank you for reading this article carefully. I hope the article "how to use factor () or ordered () to create an ordered factor" shared by the editor will be helpful to you. At the same time, I hope you will support and pay attention to the industry information channel. More related knowledge is waiting for you to learn!