Rã®é¢æ°ã®ä¸èº«ãç¥ãããæã®ã話ã§ãã åºæ¬çã«ã¯ã > 颿°å ã¨ãã¦ãã¾ãã°ä¸ã®matrix颿°ã®ããã«åç §ãããã¨ãã§ãã¾ãã > matrix function (data = NA, nrow = 1, ncol = 1, byrow = FALSE, dimnames = NULL) { if (is.object(data) || !is.atomic(data)) data <- as.vector(data) .Internal(matrix(data, nrow, ncol, byrow, dimnames, missing(nrow), missing(ncol))) } <bytecode: 0x7f8ffc2bad78> <environment: namespace:base> ããããaggregate颿°ã®ããã« > aggregate function (
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