Column and row-wise medians of a matrix or median of a vector. | R Documentation |

Column and row-wise medians of a matrix or median of a vector.

```
colMedians(x,na.rm = FALSE, parallel = FALSE, cores = 0)
rowMedians(x,na.rm = FALSE, parallel = FALSE, cores = 0)
Median(x,na.rm=FALSE)
med(x,na.rm=FALSE)
```

`x` |
A vector, matrix or data.frame with the data. |

`parallel` |
Do you want to do it in parallel in C++? TRUE or FALSE. |

`na.rm` |
TRUE or FAlSE for remove NAs if exists. |

`cores` |
Number of cores to use for parallelism. Valid only when argument parallel is set to TRUE. Default value is 0 and it means the maximum supported cores. |

The functions is written in C++ in order to be as fast as possible.

A vector with the column medians.

R implementation and documentation: Manos Papadakis <papadakm95@gmail.com>.

```
Median, colVars, colMeans (buit-in R function)
```

```
x <- matrix( rnorm(100 * 100), ncol = 100 )
a <- apply(x, 2, median)
b1 <- colMedians(x)
all.equal(as.vector(a), b1)
x<-a<-b1<-NULL
```

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