Parkinson volatilityBefore talk about Garmin-Klass volatility, it is better to understand Parkinson volatility. Parkins

Once the freely available data is downloaded from the web, it is better to setup a database to store that information fo

Contours or color-coded regions could be useful to visualize three-dimensional data in two dimensions. Matplotlib provid

Two-dimensional histograms help to visualize two-dimensional points by dividing them among two-dimensional bins. hist2d:

Error bars can be used to represent the variability of data and indicate the error or uncertanty in a reported measureme