Distribusi Beta
Distribusi beta digunakan sebagai penaksiran kasar dari suatu missing data distribusi dari suatu proporsi.
Fungsi Padat Peluang
dimana a > 0 dan b > 0 dan fungsi beta B(a,b) adalah
Mean
E(X) = a (b + a)-1
Varian
Var(X) = ab (a + b + 1)-1 (b – a)-2
Fungsi Pembangkit Momen
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXmFIZebWbiFPUA1D4dom-kM315BYEHxjU7GtNelzMBc7JR096kX-hSiHgrxpStD9cq2t7aMrwy7wwHAAzolO4fg38VXo4qIyUEWE4fATST-gBSJVVfX2LBgPr8wdvG6Uynjd3ECBDGD7a/s1600/mgf+distribusi+beta.gif)
Fungsi Karakteristik
Fungsi Padat Peluang
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgJnPAoxbq4vr5lGT6fYranIohJz6VcZamJIoztLk0mPpG7GqU_yDvFsUBQ5e940DEVtt8Jv5bx0T2oDDejpNPtva5JR3ctPhtAj_TBV9A-RRliG0jO0QpUiMVz-Zf-1nzk5zqk5hQ9mMJj/s1600/distribusi+beta.gif)
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhzpVJM4J-D25E5Cs0Ya-SHznKyRw2RnaHQsI4fxg-xhcerFHHB_l_2g5TkPtZ0KuCPsH9gdR11pu2rzHEJRK_61A5rkqYniYAMsDCc1FhEdBUxkJbqahPRjBfafasHYvRFwp976LPXuLg/s1600/fungsi+beta+1.png)
E(X) = a (b + a)-1
Varian
Var(X) = ab (a + b + 1)-1 (b – a)-2
Fungsi Pembangkit Momen
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXmFIZebWbiFPUA1D4dom-kM315BYEHxjU7GtNelzMBc7JR096kX-hSiHgrxpStD9cq2t7aMrwy7wwHAAzolO4fg38VXo4qIyUEWE4fATST-gBSJVVfX2LBgPr8wdvG6Uynjd3ECBDGD7a/s1600/mgf+distribusi+beta.gif)
Fungsi Karakteristik
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh_gWwk7ctBWvmxc3wtDdk26aj96mNfx99QKHnCHe_fHlQ1_5jCiN-sjuEBukf01SwDeibDeI__dWVJBU3W2Qk3Ofyy0_sesGyIza51xONXqqA1f1fPmKxxMW7Ifo0LbIhVNF_NarjLfBEB/s1600/cgf+distribusi+beta.gif)