Blog

What is meant by saying that machines “learn” or machine learning?

You find that the predicted probability of needing a roadbike (your positive class) at a specific time and location is 25.6%. Assuming you can only store one type of bike at this location, what do you need to know to evaluate what type of bike you should choose? 

Running a SQL query changes the underlying data. 

What must you do to have Tableau always display on the screen a number/label associated with a particular part of your visualization (e.g., display the name of each section in a pie chart)?  

Which of the following are true regarding joins? Select all that apply.

What is nearly always paired in a visualization, per our lecture notes?

What type of chart did we create for our profit walk? 

You must have your data consolidated to one single data source to use in Tableau desktop. 

Which visualizations depict the full numerical distribution of a single variable? Select all that apply. 

To add a reference line to a graph (e.g., credit limit in the KPMG case), you use the Analytics tab within Tableau