You R my Valentine!
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Today is Valentine’s Day. And since both I and my sweetheart are R
enthusiasts, here is how to say “I love you” using a statistical programming language:
library("dplyr") library("gganimate") library("ggplot2") hrt_dat <- data.frame(t = seq(0, 2 * pi, by = 0.01)) %>% bind_rows(data.frame(t = rep(max(.$t), 300))) %>% mutate(xhrt = 16 * sin(t) ^ 3, yhrt = 13 * cos(t) - 5 * cos(2 * t) - 2 * cos(3 * t) - cos(4 * t), frame = seq_along(t)) %>% mutate(text = ifelse(frame > 300, " J", "")) %>% mutate(text = ifelse(frame > 500, "A J", text)) %>% mutate(text = ifelse(frame > 628, "A + J", text)) %>% mutate(texty = 0, textx = 0) ggplot(hrt_dat, aes(x = xhrt, y = yhrt)) + geom_line(colour = "#C8152B") + geom_polygon(fill = "#C8152B") + geom_text(aes(x = textx, y = texty, label = text), size = 18, colour = "white", vjust = "center") + theme_void() + transition_reveal(frame)
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