Open Record Step 9: Load the Table
Load your dataset with a real CSV parser. Get the encoding right rather than working around it, and confirm the column names are clean with no byte order mark. Then, for every column you intend to use, convert the values deliberately and count how many failed to convert. Print that table of failures. It is the second real finding about your data, and it usually reveals at least one column that is not the type the documentation claimed.
Built it in both languages?
Mark it done once your Python and JavaScript versions both run correctly. Honesty here is what makes the dashboard useful to you.