---
title: detail
localeTitle: 详情
---
## 什么是数据科学

### 数据科学是一个多学科领域，结合了技能
```
    software engineering and statistics with domain experience to 
    support the end-to-end analysis of large and diverse data sets, 
    ultimately uncovering value for an organization and then 
    communicating that value to stakeholders as actionable results. 
```

## 数据科学家
```
Person who is better at statistics than any software engineer and 
    better at software engineering than any statistician. 
```

## 你需要什么技能？
```
* Mathematics - Calculus, Linear Algebra 
 * Statistics - Hypothesis, Testing, Regression 
 * Programming - SQL, R/Python 
 * Machine Learning - Supervised and Unsupervised Learning, Model Fitting 
 * Business/Product Intuition - Interpret and communicate results to non-technical audience 
```

## 生命周期
```
1 - Identify or Formulate Problem 
 2 - Data Preparation 
 3 - Data Exploration 
 4 - Transform and Select 
 5 - Build Model 
 6 - Validate Model 
 7 - Deploy Model 
 8 - Evalute or Monitor Results 

```