Augmenting data

We will extend our to-do app with a new section that will allow us to analyze and visualize our to-do list to understand how our time is allocated between various types of activities. However, as it is right now, our data is not very useful for this purpose. We need richer data, and a lot more of it, in order to do interesting things. So, let’s add a few more fields to our to-do items and generate a lot of random data.

To ensure an interesting analysis, let’s add the following fields:

• category: We’ll make this into a string with one of the following values: "work", "personal", "family", "hobby", "errands", "shopping", "accounting", "learning", or "other"
• date: The day the to-do item was created
• duration: An integer representing the duration of the to-do item in minutes

And for our data dashboard, we will allow our users to filter the...