td-filter

filter data for tree annotation layer

Usage

td_filter(..., .f = NULL)

Arguments

...: Expressions that return a logical value.
.f: a function (if any, defaults to NULL) that pre-operate the data

Value

A function to filter ggtree plot data using conditions defined by '...'.

Details

The 'td_filter()' function returns another function that can be used to subset ggtree() plot data. The function can be passed to the 'data' parameter of geom layer to perform subsetting. All rows that satisy your conditions will be retained.

References

For more detailed demonstration of this function, please refer to chapter 12.5.1 of Data Integration, Manipulation and Visualization of Phylogenetic Trees http://yulab-smu.top/treedata-book/index.html by Guangchuang Yu.

Author

Guangchuang Yu

Examples

if (FALSE) { # \dontrun{
tree <- rtree(30)
## similar to 'ggtree(tree) + geom_tippoint()'
ggtree(tree) + geom_point(data = td_filter(isTip))
} # }