def _init_sample_gt_counts(self):
        self.sample_gt_counts = np.array(np.zeros((len(self.samples), 4)),
                                         dtype='uint32')
Initialize a 2D array of counts for tabulating
dataset/ETHPy150Open arq5x/gemini/gemini/gemini_load_chunk.py/GeminiLoader._init_sample_gt_counts