How to use the sort () and order () functions of R language

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Sort vector elements based on sort () or order: returns the sorted vector, which returns the original sorted index, for example, based on the vector An operation (A can also be numeric): > Abelic ("A", "B", "D", "C", "H", "J", "E") 1, sort sort (x, decrea...)

Sort vector elements based on sort () or order: returns the sorted vector, which returns the original sorted index

For example, based on the vector An operation (A can also be numeric):

> Aventic ("A", "B", "D", "C", "H", "J", "E")

1 、 sort

Sort (x, decreasing = FALSE,...)

Default ascending order

> newA1=sort (A) > newA1 [1] "A"B"C"D"E"H"J"

Descending order: setting decreasing=T

> newA2=sort (A _ decreasing = T) > newA2 [1] "J", "H", "E", "D", "C", "B"A"

2 、 order

Order (..., na.last = TRUE, decreasing = FALSE, method = c ("auto", "shell", "radix"))

Default ascending order, return index, get sort value based on index

> order1=order (A) > order1 [1] 1 2 4 3 7 56 6 > A [order1] [1] "A", "B", "C", "D", "E", "H"J"

Descending order: setting decreasing=T

> order2=order (A decreasing = T) > order2 [1] 6 57 3 4 21 > A [order2] [1] "J", "H", "E", "D", "C", "B" and "A". The article "how to use sort () and order () in R language" has been introduced. If you want to master the knowledge of this article, you still need to practice and use it yourself. If you want to know more about related articles, welcome to follow the industry information channel.