# Data Science In Action

## Overview

Data science is an interdisciplinary field that uses statistics, data analysis, machine learning and their related methods to understand and analyze data. Data science employs techniques and theories which are drawn from fields within the context of mathematics, statistics, information technologies, and computer science. This information is taken from wikipedia.

In this chapter, you will explore how a data scientist uses statistical methods to summarize data, draw conclusions, and make reliable forecasts about business activities.

### Things You Will Master

- Summarizing quantitative and qualitative data
- Checking Correlation
- Hypothesis tests
- Dealing with missing values
- Analysing outliers
- Linear regressson
- Ridge regression
- LASSO regression
- Binary logistic regression
- Multinomial logistic regression