nObs-methods: Accessor method for the number of observations (slot "nobs")...

In trackr: Semantic Annotation and Discoverability System for R-Based Artifacts

Description

Number of observations plotted in a plot or associated PlotFeatureSet.

Usage

nObs(object)

## S4 method for signature 'PlotFeatureSet'
nObs(object)

## S4 method for signature 'trellis'
nObs(object)

## S4 method for signature 'gTree'
nObs(object)

## S4 method for signature 'PlotFeatureSet'
nObs(object)

## S4 method for signature 'ggplot'
nObs(object)

Arguments

object

An object of class PlotFeatureSet, GGplotFeatureSet, TrellisFeatureSet, ggplot, or trellis.

Value

An integer representing the number of observations in the plotted data.

Examples

library(ggplot2)
mt = datasets::mtcars
plt = qplot(mt$mpg, mt$cyl)
fs = makeFeatureSet(plt)
nObs(fs)

trackr documentation built on May 24, 2021, 5:09 p.m.