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Using manipulate on R chart to create an interactive chart.
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| ## Including the required R packages. | |
| packages <- c('manipulate', 'UsingR') | |
| if (length(setdiff(packages, rownames(installed.packages()))) > 0) { | |
| install.packages(setdiff(packages, rownames(installed.packages()))) | |
| } | |
| library(manipulate) | |
| library(UsingR) | |
| myHist <- function(mu) { | |
| hist(galton$child, col='blue', breaks=100) | |
| lines(c(mu, mu), c(0, 150), col='red', lwd=5) | |
| mse <- mean((galton$child - mu) ^ 2) | |
| text(63, 150, paste('mu = ', mu)) | |
| text(63, 140, paste('MSE = ', mse)) | |
| } | |
| manipulate(myHist(mu), mu = slider(62, 74, step = 0.5)) |
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