References

[1] Title: “Immigrant Visa Number Use by Category Fiscal Year 2024”, Author: Robert Allison, Published: SAS Learning Post, Topic : “Analytics, Data Visualization”,Date of published: March 20, 2015, Url : https://blogs.sas.com/content/sastraining/2015/03/25/spotting-a-misleading-chart/.

[2] Author: “U.S. Department of State”, Title: “US immigration visas”, Accessed Date: March 10, 2024, Url: https://travel.state.gov/content/travel/en/legal/visa-law0/visa-statistics.html.html.

[3] Title: “Data Visualization with ggplot2 : : CHEAT SHEET”, Author : “STAT3022”, Accessed Date: March 10, 2024, Url: https://www.maths.usyd.edu.au/u/UG/SM/STAT3022/r/current/Misc/data-visualization-2.1.pdf.