Source code for specparam.utils.array
"""Array related utilities."""
import numpy as np
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[docs]def normalize(data):
"""Normalize an array of numerical data (to the range of 0-1).
Parameters
----------
data : ndarray
Array of data to normalize.
Returns
-------
np.ndarray
Normalized data.
"""
return (data - np.min(data)) / (np.max(data) - np.min(data))
[docs]def unlog(arr, base=10):
"""Helper function to unlog an array.
Parameters
----------
arr : ndarray
Array.
base : float
Base of the log to undo.
Returns
-------
ndarray
Unlogged array.
"""
return np.power(base, arr)
[docs]def compute_arr_desc(data):
"""Compute descriptive measures of an array of data.
Parameters
----------
data : array
Array of numeric data.
Returns
-------
min_val : float
Minimum value of the array.
max_val : float
Maximum value of the array.
mean_val : float
Mean value of the array.
"""
min_val = np.nanmin(data)
max_val = np.nanmax(data)
mean_val = np.nanmean(data)
return min_val, max_val, mean_val