Description Usage Arguments Details Note Author(s) See Also Examples

Draw a bubble plot, defined by a pair of coordinates x, y to place the bubbles, an area
definition configuring the dimension and a color vector setting the color of the bubbles.
The legitimation to define a new function instead of just using `plot(symbols(...))`

is the automated calculation of the axis limits, ensuring that
all bubbles will be fully visible.

1 2 3 4 5 6 7 8 | ```
PlotBubble(x, ...)
## Default S3 method:
PlotBubble(x, y, area, col = NA, cex = 1, border = par("fg"),
xlim = NULL, ylim = NULL, na.rm = FALSE, ...)
## S3 method for class 'formula'
PlotBubble(formula, data = parent.frame(), ..., subset, ylab = varnames[response])
``` |

`x, y` |
the x and y co-ordinates for the centres of the bubbles. They can be specified in any way which is accepted by |

`area` |
a vector giving the area of the bubbles. |

`col` |
colors for the bubbles, passed to |

`cex` |
extension factor for the area. |

`border` |
the border color fot the bubbles. The default means |

`xlim, ylim` |
axes limits. |

`na.rm` |
logical, should NAs be omitted? Defaults to FALSE. |

`formula` |
a formula of the form |

`data` |
an optional matrix or data frame (or similar: see |

`subset` |
an optional vector specifying a subset of observations to be used. |

`ylab` |
the y-label for the plot used in the formula interface. |

`...` |
the dots are passed to the |

Argument `inches`

controls the sizes of the symbols. If `TRUE`

(the default), the symbols are scaled so that the largest dimension of any symbol is one inch. If a positive number is given the symbols are scaled to make largest dimension this size in inches (so `TRUE`

and `1`

are equivalent). If `inches`

is `FALSE`

, the units are taken to be those of the appropriate axes.
This behaviour is the same as in `symbols`

.

A legend can be added with `BubbleLegend`

.

Andri Signorell <[email protected]>

`BubbleLegend`

, `symbols`

, `sunflowerplot`

1 2 3 4 5 6 7 8 9 10 11 12 13 14 | ```
PlotBubble(latitude ~ longitude, area=(smoky+1)*2e8,
col=SetAlpha(1, 0.5), data=d.whisky)
cols <- c("olivedrab1","orange","green","mediumturquoise","mediumorchid2","firebrick1")
PlotBubble(x = state.x77[,"Income"], y = state.x77[,"Life Exp"], cex=.00004,
area = state.x77[,"Population"], col = cols[state.region], border="grey50",
panel.first=grid(), xlab="Income", ylab="Life Exp.", las=1
)
BubbleLegend(x = "topright", area = c(20000, 10000, 1000), cex=.00004, frame=NA,
cols=cols[1:3], labels = c(20000, 10000, 1000), cex.names=0.7)
legend(x="bottomright", fill=cols[1:4], legend=levels(state.region))
``` |

DescTools documentation built on March 19, 2018, 9:03 a.m.

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