NowCast_PM: Calcualte particulate matter NowCast

In unDocUMeantIt/paRticulates: Import and visualize fine dust sensor data

Description

The function returns the weighted mean of exctly 12 given PM raw values, as defined by the United States Environmental Protection Agency (EPA)[1].

Usage

NowCast_PM(x, norm = "PM10", raw = FALSE, latex_cellcolors = TRUE)

Arguments

x	A numeric vector of length 12, being the PM raw values of the past 12 hours, with the last being the most recent one.
norm	One value of either "PM10" or "PM2.5", setting the PM size of the given values of x.
raw	Logical, if true returns only the NowCast raw value.
latex_cellcolors	Logical, if true the "NowCast_color_*" columns will show LaTeX \cellcolor code instead of HTML colors. See Colors section of AQI_US_PM.

Value

If raw=TRUE, a numeric vector with the raw NowCast values. Otherwise a data frame with four columns: NowCast raw value (weighted mean of input data), AQI raw value, AQI level (factor), recommended color code (factor). The column names start with "NowCast_raw_", "NowCast_AQI_", "NowCast_AQI_level_", and "NowCast_AQI_color_", and end with either "PM10" or "PM2_5", depending on the value of norm.

References

[1] https://en.wikipedia.org/wiki/NowCast_(air_quality_index)

Examples

NowCast_PM(c(50, 80, 75, 90, 82, 53, 64, 74, 21, 10, 16, 13))

unDocUMeantIt/paRticulates documentation built on Jan. 20, 2020, 5:15 p.m.