I once worked a data analyst position at a pharmaceutical company: the day-to-day involved working in Excel to filter and select sales by drug type. I’d visualize the insights and either present the findings to managers or send the slides up to my manager to present to the executive team. I always tried to find ways to automate processes and ways of treating data, and I spent a lot of time thinking about what the data represented and cleaning and processing it such that nobody could question the integrity of the data itself. In many ways, this is typical of the data analyst job experience across the board.