例4-2的R代码 Covariance matrix, inverse matrix, and me

Title: 例4-2的R代码

Description: Covariance matrix, inverse matrix, and mean of each group are calculated

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例4-2的R代码
例4-2的R代码\例4-2的R代码.txt  1581  2015-01-10
例4-2的R代码\城镇消费.csv  2215  2015-01-10

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