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Essays On Applications Of Spatial Econometric Models, Jihu Zhang Jan 2019

Essays On Applications Of Spatial Econometric Models, Jihu Zhang

Wayne State University Dissertations

Since the infamous riot of 1967, high crime rates and negative media reports have labeled the city of Detroit as one of the most dangerous cities in the U.S. For a better understanding of crime situation in Detroit, we discuss the spatial interactions of crime rates among block groups as well as the impact of socioeconomic variables on crime by using spatial autoregressive models, crime data, and socioeconomic data. In particular, we introduced a geographical methodology: inverse distance weighting (IDW), which is mainly used to estimate distance based weighting from a scattered set of points. This paper is an essential …


Characterization Of Network Motifs Influencing Mrpc, A Key Coordinator Of Myxococcus Xanthus Multicellular Development, Maeve Mclaughlin Jan 2019

Characterization Of Network Motifs Influencing Mrpc, A Key Coordinator Of Myxococcus Xanthus Multicellular Development, Maeve Mclaughlin

Wayne State University Dissertations

Bacteria were long thought of as simple, unicellular organisms that lived independently of other cells in the environment, but It is now well-known, however, that bacteria are capable of numerous multicellular behaviors and often live in multicellular communities. In bacteria, multicellular behaviors can range from relatively simple cooperation between cells to the formation of specialized microbial tissues. While formation of microbial tissues is relatively simple compared to tissue formation in many higher eukaryotic organisms, many of the same basic principles are conserved in both systems. Identifying and characterizing the basic regulatory mechanisms that control multicellular behaviors in bacteria would provide …