Make a table showing the 10 largest values of a variable in R?

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温柔的废话
温柔的废话 2021-02-04 15:03

I want to make a simple table that showcases the largest 10 values for a given variable in my dataset, as well as 4 other variables for each observation, so basically a small su

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  •  说谎
    说谎 (楼主)
    2021-02-04 15:38

    Using sqldf:

    library(sqldf)
    sqldf("SELECT * FROM mtcars 
          ORDER BY mpg DESC 
          LIMIT 10", row.names = TRUE)
    

    Output:

                   mpg cyl  disp  hp drat    wt  qsec vs am gear carb
    Toyota Corolla 33.9   4  71.1  65 4.22 1.835 19.90  1  1    4    1
    Fiat 128       32.4   4  78.7  66 4.08 2.200 19.47  1  1    4    1
    Honda Civic    30.4   4  75.7  52 4.93 1.615 18.52  1  1    4    2
    Lotus Europa   30.4   4  95.1 113 3.77 1.513 16.90  1  1    5    2
    Fiat X1-9      27.3   4  79.0  66 4.08 1.935 18.90  1  1    4    1
    Porsche 914-2  26.0   4 120.3  91 4.43 2.140 16.70  0  1    5    2
    Merc 240D      24.4   4 146.7  62 3.69 3.190 20.00  1  0    4    2
    Datsun 710     22.8   4 108.0  93 3.85 2.320 18.61  1  1    4    1
    Merc 230       22.8   4 140.8  95 3.92 3.150 22.90  1  0    4    2
    Toyota Corona  21.5   4 120.1  97 3.70 2.465 20.01  1  0    3    1
    

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