This data set has been included from the R package
FRegSigCom.
The original .RData file is available at
https://github.com/cran/FRegSigCom/blob/master/data/air.RData.
Data collected hourly in 355 days (days with missing values removed) in a significantly polluted area within an Italian city.
data("air")A list of 7 matrices with 355 rows and 24 columns:
Hourly observation of concentration level of NO2 in 355 days
Hourly observation of concentration level of CO in 355 days
Hourly observation of concentration level of NMHC in 355 days
Hourly observation of concentration level of NOx in 355 days
Hourly observation of concentration level of C6H6 in 355 days
Hourly observation of concentration level of temperature in 355 days
Hourly observation of concentration level of humidity in 355 days
De Vito, S., Massera E., Piga M., Martinotto L. and Di Francia G. (2008). On field calibration of an electronic nose for benzene estimation in an urban pollution monitoring scenario Sensors and Actuators B: Chemical, 129: 50-757. <doi:10.1016/j.snb.2007.09.060>
Xin Qi and Ruiyan Luo (2019). Nonlinear function on function additive model with multiple predictor curves. Statistica Sinica, 29:719-739. <doi:10.5705/ss.202017.0249>