# Math for Data Science Beginners: Functions

## Mathematics remains a major hindrance for beginners trying to get into data science

Most beginners interested in getting into the field of data science are always concerned about the math requirements. Data science is a very quantitative field that requires advanced mathematics. But to get started, you only need to master a few math topics. In this series of articles, we will dive deep and discuss the essential math topics that must be reviewed before embarking on a data science journey. We will begin with functions. The topics to be covered in the series are:

For other published articles in the series, please click on the links above.

# Functions

Most of basic data science is focused on finding the relationship between ** features **(

**) and a**

*predictor variables***(**

*target variable***). The predictor variables are also referred to as the**

*outcome***, while the target variable is the**

*independent variables***.**

*dependent variable*