Sample Mean Deviation Calculator

This function calculates the sample mean deviation from a sample or from a specified population mean. If the population mean is not specified, the mean of the data is used.

Technology Stack : SciPy

Code Type : Statistical function

Code Difficulty : Intermediate

                
                    
import numpy as np
from scipy.stats import ttest_1samp

def sample_mean_deviation(data, mu=None):
    """
    Calculate the sample mean deviation from a sample or from a specified population mean.

    Parameters:
    - data: array_like
        The data from which to calculate the sample mean deviation.
    - mu: float, optional
        The population mean. If None, the mean of data is used.

    Returns:
    - sample_mean_deviation: float
        The sample mean deviation.
    """
    data = np.asarray(data)
    if mu is None:
        mu = np.mean(data)
    return np.mean(np.abs(data - mu))