April 2016
Intermediate to advanced
336 pages
7h 21m
Portuguese (Portugal, Brazil)
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CAPÍTULO 16
Regressão Logística
Muitas pessoas dizem que há uma linha tênue entre a genialidade e a loucura. Não acho que exista uma linha tênue, eu acho que há um abismo.
—Bill Bailey
No Capítulo 1, nós demos uma pequena olhada no problema de tentar prever quais usuários da DataSciencester pagavam por contas premium. Revisitaremos esse problema neste capítulo.
O Problema
Nós temos um conjunto de dados anônimos de aproximadamente 200 usuários, contendo o salário de cada usuário, seus anos de experiência como cientistas de dados e se pagam por uma conta premium (Figura 16-1). Como é comum com variáveis categóricas, nós representamos as variáveis dependentes como 0 (sem conta premium) ou 1 (conta premium).
Como de costume, nossos dados estão em ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.