A dataset containing NAMM, PONS, Lrr and Lat values for five sites, with and without aircraft noise included. These data are taken from page 95 of Bentley (2019) Tranquil Spaces. Sharps Redmore Press.
ntm_data
A data frame with 10 rows and 6 variables:
NAMM score, from 1 -5
PONS score, percentage natural sound
Lrr, road and rail noise in decibels
Lat, corrected overal measure in decibels