Simulate Linear Model
Here is an example how to simplate data with linear relationship.
set.seed(10)
x <- rnorm(100)
e <- rnorm(100, 0, 2)
y <- 0.5 + 2 * x +e
summary(y)
plot(x, y)
What if x
is binary?
set.seed(10)
x <- rbinom(100, 1, 0.5)
e <- rnorm(100, 0, 2)
y <- 0.5 + 2 * x +e
summary(y)
plot(x, y)
Possion Distribution
set.seed(10)
x <- rnorm(100)
log.mu <- 0.5 + 0.3 * x
y <- rpois(100, exp(log.mu))
summary(y)
plot(x, y)
More about Poisson distribution.
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