Tidy Big Tables
As a final exercise of using the "tidyverse" packages in combination with the "bigmemory" suite of packages, you will again use the tidyr and ggplot2 packages to plot the Borrower Income ratio over time.
แบบฝึกหัดนี้เป็นส่วนหนึ่งของหลักสูตร
Scalable Data Processing in R
คำแนะนำการฝึกหัด
- Load the
tidyrandggplot2packages. - Use the
pivot_longer()function to gather the counts by year. - Create a line plot with
Yearon the x-axis andCounton the y-axis. Color and group byBIR.
แบบฝึกหัดเชิงโต้ตอบแบบลงมือทำ
ลองทำแบบฝึกหัดนี้โดยเติมโค้ดตัวอย่างนี้ให้สมบูรณ์
# Load the tidyr and ggplot2 packages
library(___)
library(___)
bir_df_wide %>%
# Transform the wide-formatted data.frame into the long format
___(-BIR, names_to = "Year", values_to = "Count") %>%
# Use ggplot to create a line plot
ggplot(aes(x = ___, y = ___, group = BIR, color = BIR)) +
___