Mathilde Mousset
Mathilde Mousset
**A tentative grid of South, central and North America.** I tried out different options for South America. I am not sure how people read these maps: is the global shape...
Bonsoir, Est-ce que ça serait envisageable de griser légèrement les départements ou régions pour lesquelles les données sont manquantes ? Ça permettrait peut être de voir tout de suite quelles...
I am confused by the star schema of the Darwin Core Archives. My datasets are typically organised around an **Event Core**. In that context, I have the impression that it...
Here are two small typos. # In Day1 morning: > The second lesson uses a program called OpenRefine to teach data cleaning and filtering, and to introduce the idea **scripting(application**...
I suggest to split the **COUNT and GROUP BY** section. When I did the lesson, I was a confused because there is `GROUP BY` in the title, and the first...
In 03-sql-joins, I am confused by the inclusion of the the challenge within the JOINING episode: > Count the number of records in the surveys table that have a NULL...
1. **Suggestion to change** > In particular, we want to use a tool where it’s easy to repeat our analysis in case our data changes. into > In particular, we...
In the **Getting started** box, I suggest to reorganize the sentences a bit to fluidify the text: # Prerequisites This lesson requires a working copy of **DB Browser for SQLite...
When learning to write my first queries, I was missing a couple of information, which are given in later. 1. **The ";"** I would be good to explain what is...
I was confused by the example on aliasing at the end of **03-sql-joins**. I don't think that changing all by-now remembered tables and field names is making the query _clearer_,...