Newton-Raphton method in IRT true score equating Reference: Kolen & Brennan (2014, p.194)
1 |
tau |
true score, integer, vector. |
t0 |
initial value of theta in NR. |
a |
slope parameter vector. |
b |
location parameter vector. |
c |
asymptote parameter vector. |
D |
factor constant. |
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