【单选题】Stepwise regression is a method to:
A.
eliminate insignificant variables from a multiple regression equation.
B.
select the best regression equation with a single independent variable.
C.
increase the total sum of squares.
D.
select independent variables to include in a multiple regression equation that increase the multiple coefficient of determination the most.
【简答题】下列关于税款征收方式的说法中,正确的有( )。 A .查账征收适用于掌握税收法律法规,账簿、凭证、财务会计制度比较健全,能够如实反映生产经营成果,正确计算应纳税款的纳税人 B .由税务机关对纳税申报人的应税产品进行查验后征税,并贴上完税凭证、查验证或盖查验戳的征收方式为查验征收 C .县级税务机关批准可以不设置账簿或暂缓建账的小型纳税人适用定期定额征收方式 D .负有扣缴税款义务的法定义务人,在向...
【多选题】Logistic regression is used for
【判断题】劳动既是我国公民的权利,也是义务。( )
【简答题】回归系数(regression coefficient)
【判断题】汽车的行驶阻力包括空气阻力、水平阻力、惯性阻力。
【简答题】A regression is a ______ movement along a line of print.