Scale Features
When your data has different values, and even different measurement units, it can be difficult to compare them. What is kilograms compared to meters? Or altitude compared to time?
The answer to this problem is scaling. We can scale data into new values that are easier to compare.
Take a look at the table below, it is the same data set that we used in the multiple regression chapter, but this time the volume column contains values in liters instead of cm3 (1.0 instead of 1000). Continue reading Machine Learning – Scale