Description Usage Arguments Details Value

Internal function for going back to the original scale.

1 | ```
un_normalize(z,base,spread)
``` |

`z` |
a vector or matrix with values are normalized between -1 and 1, this vector is obtained when normalizing a vector or matrix x. |

`base` |
if z is a vector, base is the minimum of x. if x is a matrix, base is a vector with the minimum for each of the columns of the matrix x. |

`spread` |
if z is a vector, spread=base-max(x). If x is a matrix, spread is a vector calculated for each of the columns of x. |

x=base+0.5*spread*(z+1)

A vector or matrix with the resulting un normalized values.

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