freeCodeCamp/guide/portuguese/data-science-tools/detail/index.md

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---
title: detail
localeTitle: detalhe
---
## O que é Ciência de Dados?
### A Data Science é um campo multidisciplinar que combina habilidades em
```
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.
```
## Cientista de dados
```
Person who is better at statistics than any software engineer and
better at software engineering than any statistician.
```
## Que habilidades você precisa?
```
* 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
```
## Ciclo da vida
```
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
```