First Impression:
After working with Tableau for almost three months and learning from various resources and functions, transitioning to the Power BI environment and functions proved challenging. Unlike Tableau, Power BI doesn't have separate worksheets or pages for each chart, nor does it offer a row and column view of data. Instead, all tables, analyses, and visualizations are on the same page of the report, requiring some adjustment.

Training Phase:
Despite the initial challenges, as I engaged in small exercises and challenges during training, I gradually began to appreciate using Power BI and Power Query. I found that adding text boxes and giving them shadows with curved edges resulted in fast and visually appealing visualizations in Power BI. The ease of switching between Power Query and Power BI was another strength of the Power BI platform. One frustrating aspect of Tableau is the need to reedit dashboards or visualizations after publishing to ensure all sizes, fonts, and shapes appear correctly in Tableau Public. This wasn't necessary when working with published dashboards in the Power BI environment.

Weekly Project:
As I delved deeper into my project, I encountered some significant issues in Power BI compared to Tableau. The most notable was the complexity of the DAX language. Despite having some experience with Excel and writing functions, I found DAX challenging. Additionally, performance issues, difficulties in data analysis between charts and tables, and limited visualization options were weaknesses of Power BI.

Conclusion:
Through the week, I learned not to compare Tableau and Power BI directly but rather to understand and learn each platform in its own context.