cumbeta# swordfish.function.cumbeta()# Cumulatively calculate the coefficient estimate of the regression of Y on X. 参数: X (Constant) -- A scalar/vector/matrix/table/tuple (with scalars or equal-length vectors)/dictionary. Y (Constant) -- A scalar/vector/matrix/table/tuple (with scalars or equal-length vectors)/dictionary. 返回: A vector of the same length as X. 返回类型: Constant
