加权平均值
样本:S = [s1, s2, ..., sn]
权重:W = [w1, w2, ..., wn]
加权平均值:a = (s1w1+s2w2+...+snwn)/(w1+w2+...+wn)
np.average(closing_prices, weights=volumes)
加权平均值
样本:S = [s1, s2, ..., sn]
权重:W = [w1, w2, ..., wn]
加权平均值:a = (s1w1+s2w2+...+snwn)/(w1+w2+...+wn)
np.average(closing_prices, weights=volumes)