Plots a series of box plots against the geological time-scale.

1 2 3 4 5 | ```
geoscaleBox(data, ages, units = c("Age", "Epoch", "Period"),
tick.scale = "myr", boxes = "Age", abbrev, cex.age = 0.3, cex.ts = 0.4,
cex.pt = 1, age.lim= NULL, data.lim = NULL, box.width=1, user.scale,
ts.col = TRUE, ts.width = 0.3, label,vers="ICS2015",no.axis=FALSE,
notch=FALSE,log=FALSE, color,direction ="horizontal",erotate,arotate,urotate,...)
``` |

`data` |
The distributions to be plotted, either a matrix of columns or as a list (see examples below). |

`ages` |
The ages in millions of years for each box to be plotted. |

`units` |
The temporal unit(s) to be included in the timescale, options include: "Eon", "Era", "Period", "Epoch", "Age" and "User". The option "User" is required when including a user-defined timescale. This also requires an object to be assigned to user.scale. |

`tick.scale` |
The resolution of the tick marks at the base of the timescale, the default is the same as units. The resolution of the scale can also be chosen by specifiying a value or removed entirely by using "no". |

`boxes` |
Option to include grey boxes for individual time bins. Same options as for scale. |

`abbrev` |
Option to abbreviate names of geological units in the time scale, options are the same as for units. |

`cex.age` |
Size of the numbers on the scale bar. |

`cex.ts` |
Size of the text in the time scale. |

`cex.pt` |
Size of the individual points. |

`age.lim` |
The range of values for the x-axis. |

`data.lim` |
The range of values for the y-axis. |

`box.width` |
The width of the boxes in millions of years. |

`user.scale` |
The data object to be used when including a user-defined time scale, requires the option "User" to be included in units. See data(UKzones) as an example of the required data format. |

`ts.col` |
Whether to include colours in the timescale. |

`ts.width` |
Proportion of the plot used for the time scale, value must be between 0 and 1. |

`label` |
Label for the y-axis. |

`vers` |
The version of the time scale to use. Options include: "ICS2015","ICS2014","ICS2013","ICS2012","ICS2010","ICS2009" or "ICS2008". |

`no.axis` |
Option to remove the label on the y-axis. |

`notch` |
Option to draw notches in the individual boxes, see help(boxplot). |

`log` |
Option to plot the y-axis on a log scale, default is FALSE. |

`color` |
Option for the color of the boxes. |

`direction` |
The orientation of the plot, can be either "horizontal" or "vertical". |

`erotate` |
A numerical value for the rotation for the Epoch/Series temporal units, default values are 0 when direction = "upwards" and 90 when direction = "rightwards". |

`arotate` |
A numerical value for the rotation for the Age/Stage temporal units, default values are 0 when direction = "upwards" and 90 when direction = "rightwards". |

`urotate` |
A numerical value for the rotation for the User temporal units, default values are 0 when direction = "upwards" and 90 when direction = "rightwards". |

`...` |
All other options passed to points. |

Mark A. Bell mark.bell521@gmail.com

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | ```
## Plotting data from a matrix
data1 <- matrix(ncol=10,nrow=30,data=runif(30,0,100))
ages <- seq(10,100,10)
geoscaleBox(data1,ages,boxes="Age",pch=19,box.width=2)
## Plotting data from a list
data2 <- vector("list",10)
for(d in 1:length(data2)){
data2[[d]] <- runif(30,0,100)
}
ages <- seq(10,100,10)
geoscaleBox(data2,ages,boxes="Age",pch=19,box.width=2)
## Example dataset
data(size)
ages <- as.numeric(colnames(size))
geoscaleBox(data=size,ages=ages,pch=19,boxes="Age")
# Plotting on a log scale
geoscaleBox(data=size,ages=ages,pch=19,boxes="Age",log=TRUE)
``` |

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