January 2010
Beginner
480 pages
15h 36m
Portuguese (Portugal, Brazil)
Content preview from USE A CABEÇA! ANÁLISE DE DADOS
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304 Capítulo 10
equação para precisão
Você precisa de uma equação para
tornar suas predições precisas
As linhas retas podem ser descritas
algebricamente usando a equação linear.
y = a + bx
y é o valor do eixo y, que,
neste caso, é a coisa que
estamos tentando prever: o
aumento recebido.
x é o valor do eixo x, que,
neste caso, é a coisa
que sabemos: o valor de
aumento pedido.
5101520
0 5 10 15 20 25
employees$received[employees$negotiated==TRUE]
employees$received[employees$negotiated==TRUE]
Sua linha de regressão pode ser
representada por essa equação linear.
Se você soubesse qual era a sua, você
conseguiria colocar qualquer pedido de
aumento que quisesse ...
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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.