I'm an aspiring business analyst freelancer that uses data to give business solutions to their problems and increase their profit and make them overall more efficient. I have used the TidyTuesday data-set "state_retail" to get practise and have something to add to my portfolio.

A five-chart data story exploring changes in home ownership, renting and housing affordability in Australia using Australian Bureau of Statistics (ABS) data.

R 語言中的 janitor 套件，就是專門為了解決這些日常資料清理問題而設計的工具。

ExamIDs2026a