Code Monkey home page Code Monkey logo

regressao-linear-simples's Introduction

Regressao-Linear-Simples

Aplicação simples de regressão linear

Uma Análise de Regressão é um método estatístico que utiliza entre duas ou mais variáveis de modo que uma variável pode ser estimada (ou predita) a partir da outra ou das outras (Neter, J. et al. Applied Linear Statistical Models. McGraw Hill, 1996)

O objetivo dessa aplicação foi estimar uma reta de regressão para a relação entre as variáveis Y: massa muscular (dependente) e X: idade (independente) do exercício abaixo:

"É esperado que a massa muscular de uma pessoa diminua com a idade. Para estudar essa relação, uma nutricionista selecionou 18 mulheres, com idade entre 40 e 79 anos, e observou em cada uma delas a idade (X) e a massa muscular (Y)."

Massa muscular (Y) Idade (X)
82.0 71.0
91.0 64.0
100.0 43.0
68.0 67.0
87.0 56.0
73.0 73.0
78.0 68.0
80.0 56.0
65.0 76.0
84.0 65.0
116.0 45.0
76.0 58.0
97.0 45.0
100.0 53.0
105.0 49.0
77.0 78.0
73.0 73.0
78.0 68.0

Diagrama de Dispersão

Há um forte indício de relação linear decrescente entre as variáveis em estudo. Nota-se que a massa muscular das pessoas diminui à medida que a idade aumenta.


Simple Linear Regression

Simple application of linear regression

A Regression Analysis is a statistical method that uses between two or more variables so that one variable can be estimated (or predicted) from the other or from the others (Neter, J. et al. Applied Linear Statistical Models. McGraw Hill, 1996)

The purpose of this application was to estimate a regression line for the relationship between the variables Y: muscle mass (dependent) and X: age (independent) of the exercise below:

"A person's muscle mass is expected to decrease with age. To study this relationship, a nutritionist selected 18 women, aged between 40 and 79 years, and observed in each of them age (X) and muscle mass (Y). "

regressao-linear-simples's People

Contributors

dudursn avatar

Watchers

 avatar  avatar

Recommend Projects

  • React photo React

    A declarative, efficient, and flexible JavaScript library for building user interfaces.

  • Vue.js photo Vue.js

    🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.

  • Typescript photo Typescript

    TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

  • TensorFlow photo TensorFlow

    An Open Source Machine Learning Framework for Everyone

  • Django photo Django

    The Web framework for perfectionists with deadlines.

  • D3 photo D3

    Bring data to life with SVG, Canvas and HTML. 📊📈🎉

Recommend Topics

  • javascript

    JavaScript (JS) is a lightweight interpreted programming language with first-class functions.

  • web

    Some thing interesting about web. New door for the world.

  • server

    A server is a program made to process requests and deliver data to clients.

  • Machine learning

    Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.

  • Game

    Some thing interesting about game, make everyone happy.

Recommend Org

  • Facebook photo Facebook

    We are working to build community through open source technology. NB: members must have two-factor auth.

  • Microsoft photo Microsoft

    Open source projects and samples from Microsoft.

  • Google photo Google

    Google ❤️ Open Source for everyone.

  • D3 photo D3

    Data-Driven Documents codes.