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May 11, 2016 00:31
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Simples script em R que exibe histograma de posições sequenciais de uma determinada massa de dados e uma plotagem usando curva gaussiana e curva de densidade
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#!/usr/bin/Rscript | |
emg <- read.csv("emg_s1.csv", header = FALSE, sep = "|", dec = ",") | |
View(emg) | |
attach(emg) | |
par(mfrow = c(4, 5)) | |
for(data in 1:20) { | |
position <- paste(c("V", data), collapse = "") | |
header <- paste(c("Histograma de ", position), collapse = "") | |
hist(emg[[position]], main = header, xlab = header) | |
} | |
for(data in 1:5) { | |
position <- paste(c("V", data), collapse = "") | |
header <- paste(c("Histograma de ", position), collapse = "") | |
hist(emg[[position]], main = header, xlab = header, prob = TRUE) | |
media <- mean(emg[[position]]) | |
desvio <- sd(emg[[position]]) | |
curve(dnorm(x, mean = media, sd = desvio), add=TRUE, col = "red", xlab="Miles Per Gallon") | |
lines(density(emg[[position]]), col = "blue", xlab="Miles Per Gallon") | |
} |
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