def setup_analysis_options_parser()

in otava/main.py [0:0]

• 42 lines of code
• 1 McCabe index (conditional complexity)

def setup_analysis_options_parser(parser: argparse.ArgumentParser):
    parser.add_argument(
        "-P, --p-value",
        dest="pvalue",
        type=float,
        default=0.001,
        help="maximum accepted P-value of a change-point; "
        "P denotes the probability that the change-point has "
        "been found by a random coincidence, rather than a real "
        "difference between the data distributions",
    )
    parser.add_argument(
        "-M",
        "--magnitude",
        dest="magnitude",
        type=float,
        default=0.0,
        help="minimum accepted magnitude of a change-point "
        "computed as abs(new_mean / old_mean - 1.0); use it "
        "to filter out stupidly small changes like < 0.01",
    )
    parser.add_argument(
        "--window",
        default=50,
        type=int,
        dest="window",
        help="the number of data points analyzed at once; "
        "the window size affects the discriminative "
        "power of the change point detection algorithm; "
        "large windows are less susceptible to noise; "
        "however, a very large window may cause dismissing short regressions "
        "as noise so it is best to keep it short enough to include not more "
        "than a few change points (optimally at most 1)",
    )
    parser.add_argument(
        "--orig-edivisive",
        type=bool,
        default=False,
        dest="orig_edivisive",
        help="use the original edivisive algorithm with no windowing "
        "and weak change points analysis improvements",
    )