Building a Matplotlib graph from your Pandas DataFrame is as easy as calling plot() method on your data:
data.plot(kind=”bar”, x=”years”, y=”income”)
When we split a dataset into test and train sets, we often use different tactics for splitting. Very often methods are based on random records picking and putting them in different sets.
One of the most confusing to beginners things in ML is its terminology. Every ML concept has several synonyms. What’s makes things even worse, each ML course or book uses different combination of these. There’s no common standard.