Variables. A variable is a name that is associated with the data stored in a memory address. One way to create variables in python is through assignment which consists of placing the variable you ...

9.3. Categorical explanatory variables¶. Recall how we have dealt with categorical explanatory variables to this point: Excel: We used IF statements and other tricks to create n-1 new columns in the ...

Map is a common way to transform lists in most programming languages. In Python, map is a function that loops over a list and applies a function (that you provide) to each item. Your function receives ...