January 2010
Beginner
480 pages
15h 36m
Portuguese (Portugal, Brazil)
Content preview from USE A CABEÇA! ANÁLISE DE DADOS
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330 Capítulo 11
quais são as chances?
Margens de erro são desvios
das predições do seu modelo
Você sempre fará previsões
de algum tipo, quer você faça
um trabalho de regressão
completo ou não. Essas
previsões raramente serão
exatamente corretas, e o valor
pelo qual os resultados
desviam da sua predição é
chamado de margem de erro.
Em estatística, as margens de
erro também são chamadas
de resíduos, e a análise dos
resíduos é a parte central de
um bom modelo estatístico.
Enquanto você pode nunca
ter uma boa explicação para
o porquê de os resíduos
individuais desviarem do
modelo, você sempre deve
dar uma olhada cuidadosa
nos resíduos do seu grá co de ...
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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.