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/zscilib-3.4.0/src/
Dstatistics.c444 zsl_real_t sumx, sumy, sumxy, sumxx, sumyy; in zsl_sta_linear_reg() local
446 sumx = sumy = sumxy = sumxx = sumyy = 0.0; in zsl_sta_linear_reg()
451 sumxy += x->data[i] * y->data[i]; in zsl_sta_linear_reg()
456 c->slope = (x->sz * sumxy - sumx * sumy) / (x->sz * sumxx - sumx * sumx); in zsl_sta_linear_reg()
458 c->correlation = (x->sz * sumxy - sumx * sumy) / in zsl_sta_linear_reg()