normal.qu | R Documentation |
Quadrature points and weights based on the Normal distribution. Quadrature
objects are used when estimating abilities with eap
and for some of
the scaling methods in sca
.
normal.qu(n = 15, lower = -4, upper = 4, mu = 0, sigma = 1, scaling = "points")
n |
Number of quadrature points |
lower |
Lower boundary |
upper |
Upper boundary |
mu |
Mean |
sigma |
Standard deviation |
scaling |
Determines the way in which non-default values of |
A list of:
quad.points |
A vector of |
quad.weights |
A vector of the corresponding quadrature weights |
Ivailo Partchev
read.qu.icl
, eap
, sca
quad <- normal.qu(n=20)
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