In many cities of the United States, measurements of ambient particulate matter air pollution (PM) are available only once every 6 days. Time-series studies conducted in these cities that investigate the relationship between mortality and PM are restricted to using a single day’s PM as the...

A recent but growing trend in studies of young people's lives has been to highlight that there is a 'missing middle' in the youth studies research agenda. It has been argued that much youth research focuses on either successful or very troubled transitions to adulthood, with the lives of those...

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Outlier detection is a critical part of data analysis, and the use of Studentized residuals from regression models fit using least squares is a very common approach to identifying discordant observations in linear regression problems. In this paper we propose a bootstrap approach to constructing...