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Rock music is an integral part of American culture. This paper presents a study of sensing and analysing over 57,000 rock music live performances between 2007 and 2017. Spatial traces of 575 rock music artists performing in concerts nationwide were collected from a major music streaming platform Spotify. Location-based concert data were analysed to explore economic and geographic factors linked to the landscape of rock music live performance and to reveal the importance of population demographics and leisure and hospitality (LH) economics to the culture and music industries from a spatial aspect. Over 90% of rock concerts between 2007 and 2017 were found in 250 counties. The aim of the study is to specify and develop a model that reasonably accounts for spatial heterogeneity present in the concert data. By regressing rock concert data against demographic data and LH establishment data, ordinary least squares (OLS) models were better fitted in metropolitan counties than non-metropolitan counties. Spatial dynamics of concerts were revealed by local R2 values and the obtained structure in the form of spatial heterogeneity was then explained using geographically weighted regression (GWR) models. High population density and LH services in industry-leading cities such as New York City, Los Angeles, Chicago and Houston exhibit advantages in explaining rock concert distributions. Findings from the models reflect the live music industry's interrelationships to the LH industry and suggest LH services being essential considerations in selecting concert destinations for rock musicians. [ABSTRACT FROM AUTHOR]

This paper reports on the investigation of the spatial patterns and variations of adverse health effects of ozone pollution on childhood respiratory diseases in Houston, Texas. The study period is June to September of 2001. No significant global relationship exists between ozone pollution and prevalence of childhood respiratory diseases. However, geographically weighted regression (GWR) analysis reveals spatially varied adverse health effect. With the guidance from GWR results, the association between ozone pollution and childhood respiratory disease prevalence is proved to be significant in three sub-regions. Moreover, spatial regression analysis suggests the presence of spatial dependence of the prevalence of childhood respiratory diseases. The spatial variation of the relationship between ozone pollution and childhood respiratory disease prevalence indicates health effects of confounding or intervening factors. The spatial dependency of disease prevalence is related to both the spatial patterns of pollution and those of confounding factors. The findings call for future investigation to examine the factors that might be working together with or against ozone pollution when health effects are concerned. For health practice and management, a set of neighborhood-specific policy, practice, and resource allocation strategies need to be developed to minimize the adverse health effects of ozone pollution. [ABSTRACT FROM AUTHOR]