In Python, constants are usually declared and assigned in a module. Here, the module is a new file containing variables, functions, etc which is imported to the main file. Inside the module, constants ...

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Constants follow the same naming conventions as variables, except that they are often written in uppercase. Some programming languages, such as Python, do not support constants.

Some programming languages, such as Python, enable variables to be declared and assigned a value in the same line of code. Constants A constant allows a value to be assigned a name.

Linear regression with a single explanatory variable¶ There are many ways to do linear regression in Python. We have already used the heavyweight Statsmodels library, so we will continue to use it ...

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 ...