Column and row-wise ranks
Column and row-wise ranks.
colRanks(x,method = "average",descending = FALSE,stable = FALSE, parallel = FALSE) rowRanks(x,method = "average",descending = FALSE,stable = FALSE, parallel = FALSE)
x |
A mumerical matrix with the data. |
parallel |
A boolean value for parallel version. |
method |
a character string for choosing method. Must be one of "average", "min", "max", "first". |
descending |
A boolean value (TRUE/FALSE) for sorting the vector in descending order. By default sorts the vector in ascending. |
stable |
A boolean value (TRUE/FALSE) for choosing a stable sort algorithm. Stable means that discriminates on the same elements. Only for the method "first". |
For each column or row of a matrix the ranks are calculated and they are returned. The initial matrix is gone.
A matrix with the column or row-wise ranks.
Manos Papadakis
R implementation and documentation: Manos Papadakis <papadakm95@gmail.com>.
x <- matrnorm(100, 10) a1 <- colRanks(x) a2 <- apply(x, 2, rank) b1 <- rowRanks(x) b2 <- apply(x, 1, rank) x<-a1<-a2<-b1<-b2<-NULL
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