Hi,
I think there is a small typo in this sentence :
To simplify future visualization, let’s transform the prices from the dollar ($) range to the thousand dollars (k$) range.
In the original dataset the prices are in $ range indeed.
First house costs 452600 $, the second 358500 $ etc…
But in the fetch_california_housing dataset in sklearn.datasets price are in 100k$ range: first house price is 4.526, 2nd is 3.585 etc…
And logically you multiply the data by 100 to have the price in k$.
So the correct sentence should be :
To simplify future visualization, let’s transform the prices from the 100k$ range to the thousand dollars (k$) range.