cusum
Plots Cumulative sum algorithm (CUSUM) to detect abrupt changes in data
Source Code: [link]
openbb.qa.cusum(data: pd.DataFrame, target: str, threshold: float = 5, drift: float = 2.1, external_axes: Optional[List[matplotlib.axes._axes.Axes]] = None)
Parameters
| Name | Type | Description | Default | Optional |
|---|---|---|---|---|
| data | pd.DataFrame | Dataframe | None | False |
| target | str | Column of data to look at | None | False |
| threshold | float | Threshold value | 5 | True |
| drift | float | Drift parameter | 2.1 | True |
| external_axes | Optional[List[plt.Axes]] | External axes (2 axes are expected in the list), by default None | None | True |
Returns
This function does not return anything
Examples
from openbb_terminal.sdk import openbb
df = openbb.stocks.load("AAPL")
openbb.qa.cusum(data=df, target="Adj Close")