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R 语言经典实例(原书第 2 版)
book

R 语言经典实例(原书第 2 版)

by J.D. Long, Paul Teetor
June 2020
Beginner to intermediate
522 pages
9h 6m
Chinese
China Machine Press
Content preview from R 语言经典实例(原书第 2 版)
输入与输出
99
Pearson Karl 1857 1936
Cox Gertrude 1900 1978
Yates Frank 1902 1994
Smith Kirstine 1878 1939
我们可以导入该文件如下:
t <- read_table2("./data/datafile.ssv", comment = '#')
#> Parsed with column specification:
#> cols(
#> last = col_character(),
#> first = col_character(),
#> birth = col_double(),
#> death = col_double()
#> )
t
#> # A tibble: 5 x 4
#> last first birth death
#> <chr> <chr> <dbl> <dbl>
#> 1 Fisher R.A. 1890 1962
#> 2 Pearson Karl 1857 1936
#> 3 Cox Gertrude 1900 1978
#> 4 Yates Frank 1902 1994
#> 5 Smith Kirstine 1878 1939
read_table2 有许多参数用于控制如何读取和解释输入文件。有关详细信息,请参阅
帮助页面(?read_table2)或 readr vignettevignette("readr"))。如果你
read_table read_table2 ...
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Publisher Resources

ISBN: 9787111656814