An R package to calculate distances. This provide a common framework to calculate distances.
There are three main functions:
- `rdist`

computes the pairwise distances between observations in one matrix and returns a `dist`

object,
- `pdist`

computes the pairwise distances between observations in one matrix and returns a `matrix`

, and
- `cdist`

computes the distances between observations in two matrices and returns a `matrix`

.

All functions have an argument `metric`

that can be used to specify the distance function. Available metrics are `"euclidean"`

, `"minkowski"`

, `"manhattan"`

, `"maximum"`

, `"canberra"`

, `"angular"`

, `"correlation"`

, `"absolute_correlation"`

, `"hamming"`

, and `"jaccard"`

. In addition the metric can be any function that takes two vectors as arguments and returns their distance.
All predefined functions will return NA or NaN when one of the compared vectors contains NAs.

To install the latest released version from CRAN:

```
install.packages("rdist")
```

To install the latest development version from github:

```
install.packages("devtools")
devtools::install_github("blasern/rdist")
```

If you find issues, please let me know. If you would like to contribute, please create a pull request.

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