[機統] limiting distribution
從 Hogg Introduction to Mathematical Statistics
Tn have t-distribution with n degrees of freedom
cdf of Tn
t Γ((n+1)/2) 2 -(n+1)/2
Fn(t) = ∫ -------------- (1 + y /n) dy
-∞ √(πn)Γ(n/2)
pdf of Tn
Γ((n+1)/2) 2 -(n+1)/2
fn(t) = -------------- (1 + y /n)
√(πn)Γ(n/2)
他為了說lim可以拿進去
說|fn(y)| ≦10,
by Lebesgue Dominated Convergence Theorem
但這個常數10是怎麼來的,想不通
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