monitor_isEmpty {AirMonitor}

Test for an empty mts_monitor object

Description

This function returns true under the following conditions:

• no time series: ncol(monitor$data) == 1

• no time series records: nrow(monitor$data) == 0

• all timeseries values are NA

This makes for more readable code in functions that need to test for this.

Usage

monitor_isEmpty(monitor)

Arguments

monitor

mts_monitor object

Value

Invisibly returns TRUE if no data exist in mts_monitor, FALSE otherwise.