calc_stat

stginga.utils.calc_stat(data, sigma=1.8, niter=10, algorithm='median')[source]

Calculate statistics for given data.

Parameters:
datandarray

Data to be calculated from.

sigmafloat

Sigma for sigma clipping.

niterint

Number of iterations for sigma clipping.

algorithm{‘mean’, ‘median’, ‘mode’, ‘stddev’}

Algorithm for statistics calculation.

Returns:
valfloat

Statistics value.

Raises:
ValueError

Invalid algorithm.