Course Name: Financial Time Series Analysis for Trading, Section No: 18, Unit No: 9, Unit type: Notebook
Hello,
In this notebook when we're plotting PACF and ACF to choose the best parameters for AR and MA, why do we plot PACF and ACF only with 70% of the data? In the previous sections we use the whole dataset to find best paramater. For example: Section 14 unit 3:
https://i.imgur.com/r6Rt0Ck.png
Is there any reason for this?