The Animation R Package
1) This week I am going to be tackling the "animation" R package created by Yihui Xie. You can find out more about him here. The package essentially allows us to create animations in R to help us create graphics that change over time, creating GIFs. These visuals can help us depict the many different things. For example the different iterations of a project and how efficiently it does it job over various iterations, cycling through them in the GIF.
2) The plan is to use this animation package to create a sine wave that gets tighter and tighter. I believe this should yield us with some interesting patterns the longer it goes. Here is the what we get:
#LIS 4317 Module 13
# Package stuffs
# install.packages("animation")
library(animation)
# Create and save the animation
saveGIF({
# Generate frames
for (i in 1:20) {
x <- seq(0, 2 * pi, length.out = 100)
y <- sin(i * x) # Adjust frequency based on iteration
plot(x, y, type = "l", col = "blue", lwd = 2,
ylim = c(-1, 1), main = paste("Sine Wave - Iteration", i))
grid() # Add a grid for better visualization
}
}, movie.name = "animated_sine_wave.gif")
3) The above animation of a sine wave with increasing frequency over iterations is a good example of visualizing wave properties. As the frequency increases, the wave oscillates more rapidly, demonstrating how mathematical functions can change over time. Each frame of the animation shows the sine function with a different frequency, illustrating how the function behaves dynamically. Such visualizations are particularly useful in understanding concepts like signal processing, wave phenomena, and the relationship between frequency and wave behavior. Overall, I think we can call this assignment a success.
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