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Overview da linguagem
R Utilizando o RStudio
Você teria
sobrevivido?
Vamos
O que é R e
RStudio?
Pró
s
Linguagem intuitiva e de
fácil leitura
R
f(5)
[1] 11
f <- function(x) { 2 * x + 1 }f(x) = 2.x + 1
f(5) = 2.5 + 1
= 11
Matemátic
a
Variedade de
pacotes
15.193
Visibilidad
e
Contra
s
É case
sensitive
Tudo é carregado na
memória RAM
Afinal, qual a cara
dessa ferramenta?
Conhecendo o
ambiente
1.
Editor
4. Arquivos
e Gráficos
2.
Objetos
3.
Console
Demonstração
prática
Variável Definição Valor
Survived Passageiro sobreviveu?
0 = Jack, 1 = Rose
Pclass Classe da passagem
1 = 1st, 2 = 2nd, 3 = 3rd
Sex Sexo do passageiro
Age Idade do passageiro
Sibsp Número de irmãos/cônjuges a
bordoParch Número de parentes/crianças a
bordoTicket Número da passagem
Fare Preço da passagem
Cabin Número da cabine
Embarked Porto de embarque C = Cherbourg, Q =
Queenstown, S =
Name Nome do passageiro
PassengerI
D
Identificador do passageiro
Valeuuu
!

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Introdução à linguagem R usando RStudio

Notas do Editor

  1. Este era só de exemplo... rsrs
  2. Consultar todos os pacotes do R: https://cran.r-project.org/web/packages/available_packages_by_date.html Consultar os pacotes por tipo de uso: https://cran.r-project.org/web/views/
  3. Matéria que originou o gráfico acima: https://www.ibm.com/developerworks/community/blogs/jfp/entry/Why_Python Comparação entre R e Python: https://www.kaggle.com/getting-started/82725
  4. Como alterar o tema padrão (seus olhos agradecem...): Tools > Global options... > Appearence Tema padrão: Textmate (default) Tema dark : Merbivore
  5. Arquivos utilizados na demonstração do R: http://tiny.cc/arquivos_apresentacao * Avalie esta apresentação: http://tiny.cc/avaliacao_apresentacao