Reprentative Statistics
•
Account of Dr. George Gallup
•The data are of unquestioned importance to us
•The challenge is to model the vast unsampled region between data •This lecture is not about biad data or measurement errors •This lecture relates to the reprentivity of the data
2学校教育制度
Principle of Declustering
•Assign differential weights to data bad on proximity to other data •
Note the example below for five data equal weighted (left) and weighted (right)
11
n
i i
i n
i
i w z
z w
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南瓜饼制作
常州恐龙园一日游攻略∑∑()
带花字的网名2
1
1
n
符号网名i
i
i n i
i w z
关于美食
z s w
==-=
∑∑5
51015
关于春天的四字词语20
2530
35
40
班委鉴定评语
