clvkit.plotting.plot_cohort_matrix#

plot_cohort_matrix(matrix, *, ax=None, relative=True, cmap='viridis', annotate=True, colorbar=True, **kwargs)[source]#

Draw a cohort matrix as the standard triangular heatmap.

Unobserved cells — the periods a young cohort hasn’t lived through yet — are drawn in flat grey and left unlabelled, so the eye never reads them as a cohort that dropped to zero.

Parameters:
Return type:

Axes