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# eliocamp / ggperiodic

Easy ploting of periodic data with ggplot2

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# ggperiodic ggperiodic is an attempt to solve the issue of plotting periodic data in ggplot2. It automatically augments your data to wrap it around to any arbitrary domain.

## Installation

You can install the latest version from CRAN with

`install.packages("ggperiodic")`

Or you can install the development version from GitHub with:

```# install.packages("devtools")
devtools::install_github("eliocamp/ggperiodic")```

## Example

Let’s create some artificial data with periodic domain

```x <- seq(0, 360 - 10, by = 10)*pi/180
y <- seq(-90, 90, by = 10)*pi/180

Z <- expand.grid(x = x, y = y)
Z\$z <- with(Z, 1.2*sin(x)*0.4*sin(y*2) -
0.5*cos(2*x)*0.5*sin(3*y) +
0.2*sin(4*x)*0.45*cos(2*x))

Z\$x <- Z\$x*180/pi
Z\$y <- Z\$y*180/pi```

If you try to plot it, you’ll notice problems at the limits

```library(ggplot2)
ggplot(Z, aes(x, y, z = z, color = ..level..)) +
geom_contour() +
coord_polar()``` With ggperiodic you can define the periodic dimensions and ggplot2 does the rest.

```library(ggperiodic)
#>
#> Attaching package: 'ggperiodic'
#> The following object is masked from 'package:stats':
#>
#>     filter
Z <- periodic(Z, x = c(0, 360))

ggplot(Z, aes(x, y, color = ..level..)) +
geom_contour(aes(z = z)) +
coord_polar()``` ## About

Easy ploting of periodic data with ggplot2

## Releases 2

v1.0.0 - Jörmungandr Latest
Mar 14, 2019

## Packages 0

No packages published