January 2010
Beginner
480 pages
15h 36m
Portuguese (Portugal, Brazil)
Content preview from USE A CABEÇA! ANÁLISE DE DADOS
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340 Capítulo 11
pesquise seu objeto de modelo linear
R tem muitas informações
sobre o seu modelo linear.
Estes são dados
da inclinação que
intercepta a sua
linha de regreção
E esse é o seu RMS!
Se você desenhar uma faixa que
seja 2,3 pontos percentuais acima
e abaixo da linha de regressão, você
terá um gráfico assim.
O resumo do R para o seu modelo
linear mostra o erro RMS
Quando você pede ao R para
resumir o objeto de modelo
linear, ele fornece um monte
de informações sobre o que
está dentro do objeto.
Você não somente vê os
coe cientes da sua regressão,
como você viu no capítulo
anterior, como também
vê o RMS e muitas outras
estatísticas que descrevem ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.