One of the hallmarks of statistical thinking is the importance of measuring and understanding variability. The Shewhart Control Chart, which separates special cause from common cause variation, is one of the most important tools for understanding the current state of a process. The analysis of variance (ANOVA) is another statistical tool for splitting variability into component sources. These c...

The tolerance study is one of the most critical and neglected issues in sheet metal assembly manufacturing research. The fundamental shortcoming of currently existing tolerancing methods is the lack of physical significance of the model. This paper presents a new tolerance analysis methodology for sheet metal assembly based on physical/functional modeling of the fabrication error using the deve...

The radiometer wet tropospheric correction is a limiting factor of the application of near-coastal altimetry observations in the North Sea – Baltic Sea area. Using an ECMWF model based correction instead, we increase the return rate from 70% to 95%, with observations as close as 10 km from the coast. The altimetry and 39 coastal tide gauges are referenced to the same state of the art regional g...

In radiotherapy, tumors are irradiated with a high dose, while surrounding healthy tissues are spared. To quantify the probability that a tumor is effectively treated with a given dose, statistical models were built and employed in clinical research. These are called tumor control probability (TCP) models. Recently, TCP models started incorporating additional information from imaging modalities...

To date, multiple strategies have been proposed for the estimation of speakers’ physical parameters such as height, weight, age, gender etc. from their voices. These employ various types of feature measurements in conjunction with different regression and classification mechanisms. While some are quite effective for adults, they are not so for children’s voices. This is presumably because in ch...

The temporary slowdown in large-scale surface warming during the early 2000s has been attributed to both external and internal sources of climate variability. Using semiempirical estimates of the internal low-frequency variability component in Northern Hemisphere, Atlantic, and Pacific surface temperatures in concert with statistical hindcast experiments, we investigate whether the slowdown and...

The relationship between tolerances of statically measured geometric parameters and the aerodynamic performance of a sample of manufactured airfoils is investigated in this thesis. The objective is to determine which geometric parameters are the best discriminators of performance, and how these best discriminators are affected by changes in design methodology, manufacturing precision, and desir...

A new technique was recently developed to study seasonal cycles of climatic trends of expected values, variance, skewness, and other statistical moments of climatic variables. Here we apply that technique to analyze the diurnal and seasonal cycles of trends of surface air temperature and its variability using hourly observations from nine geographically distributed meteorological stations in th...

The observed excess price variability in cross-border city pairs compared to that in withincountry city pairs has been defined as the “border effect.” We used a unique data set from cities that were in the same country at one time and were in two separate countries later on to examine the effects of the presence of a national border on price variability. Interestingly a border-like effect was d...

In this paper we investigate information pertaining to the intonation of swaras (scale-degrees) in Hindustani Classical Music for automatically identifying ragas. We briefly explain why raga identification is an interesting problem and the various attributes that characterize a raga. We look at two approaches by other authors that exploit some of these characteristics. Then we review musicologi...