摘要:
require(graphics)# a 2-dimensional examplex <- rbind(matrix(rnorm(100, sd = 0.3), ncol = 2), matrix(rnorm(100, mean = 1, sd = 0.3), ncol = 2... 阅读全文
posted @ 2014-12-19 10:37
ilxx1988
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摘要:
R regex 阅读全文
posted @ 2014-12-19 10:36
ilxx1988
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