Description Usage Arguments Details Value Author(s) Examples

Freehand select

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`data` |
Data frame or matrix of co-ordinates. (x,y) co-ordinates for each point will be on rows. Rownames of selected points will be returned. |

`mark` |
Default TRUE. Predicate marking of selected points. |

`names` |
Default TRUE. If TRUE will return rownames of data frame with points within polygon. If FALSE will return logical vector. |

`...` |
Additional parameters passed to |

Freehand select function. First generate a 2D plot using R's plot function,
then select gate region by left clicking. Close polygon by right clicking.
The function will return the rownames of the enclosed points by the rownames
of th co-ordinates given in `data`

.

Returns character vector of rownames of the selected points from `data`

if
names parameter is TRUE. If names is FALSE then a logical vector indicating whether points
are in the polygon is returned.

Wajid Jawaid

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