Improved Correction of Atmospheric Pressure Data Obtained by Smartphones through Machine Learning

Table 6

Data fields used for machine learning.

Data type or source	Field	Unit or format
Observation data obtained by smartphones	Atmospheric pressure, measured	hPa
	Atmospheric pressure, corrected (MSLP)	hPa
	Year	YYYY
	Month	MM
	Day	DD
	Hour	hh
	Minute	mm
	Second	ss
	Latitude	Degrees
	Longitude	Degrees
	Altitude	m
	Precision of location measurement	—
	DEM altitude	m
Observation data obtained by the nearest AWS	AWS number	—
	AWS latitude	Degrees
	AWS longitude	Degrees
	AWS altitude	m
	Mean sea level pressure	hPa
	Temperature	K
	Relative humidity	%
Distance between the smartphone and its nearest AWS	Difference between locations	Degrees