PPT-Introduction to Population Stratification

Standard definition of confounding A confounder is Associated with the exposure in the study base Associated with disease in the unexposed Not in the causal pathway Criteria for confounding in genetic association studies. Didier Swingedouw & Giovanni . Sgubin. Can we find big jumps in the Labrador Sea?. North Atlantic warming hole . Warming hole in the North Atlantic for temperature trend over the last century (IPCC-AR5 summary for policymakers). Copy Number Variations. and SNP Array. Xiaole Shirley Liu. and . Jun Liu. 2. Outline. Definition and motivation. SNP distribution and characteristics. Allele frequency, LD, population stratification. Stratification Essential Questions. EQ1: How does the caste system in India differ from the social class system in the US?. EQ2: How . do functionalist and conflict theorists differ in their explanation of stratification. Statistics. the process of dividing members of the population into homogeneous subgroups before sampling. In general, stratification is used to gain efficiency. If variability is primarily . between. 1. Social Inequality. . refers to any differences that result in some people having more socially valued characteristics than others (. Holborn. & Langley 2002, 6). . Social Stratification. is the hierarchical ordering of groups in society (. OR. Strategy:. Relate sedimentary characteristics of ancient deposits (grain size, . sedimentary . structures, geometry) to features observed in modern rivers. Bedforms. during traction deposition from unidirectional flow. Alexander Lex. July 29, 2013. r. esearch. requires . understanding data. b. ut there is so much of it…. 2. What is . important?. . Where are the . connections? . 3. 4. methylation levels. mRNA expression. Ch. 7. I began to see a trend of articles like this one around the recession and shortly after. Ask yourself, why do people play the lotto? What kind of people play the lotto (do rich billionaires play it for example, or working/poor classes? Think critically - if there is a spike in sales of lotto tickets, what does that say about the economy, about society, about people? Desperate? Hopeful? . Hints of Hw1 corrections: Do Exercises 8.1, 8.2, 8.5, and 8.7 of ADS textbook. (hint: for part c. Set difference is the only . nonmonotonic. operation in our RA).. + Notes on Aggregates and Stratification in . Marjorie Friedrichs, VIMS, lead. Carl Friedrichs, VIMS, co-lead. Wen Long and Raleigh Hood, UMCES. Malcolm Scully, ODU. FY12 Testbed 2 Kick-off . Telecon. Compare relative skill of various hydrodynamic and dissolved oxygen models in reproducing observations on . Systems of Stratification. social stratification. – division of society into categories, ranks, or classes. can be based on either achieved or ascribed status. can be open or closed. Systems of Stratification. A system society uses to rank its citizens into a hierarchy (rank) of classes. Exist in every human society and culture. Unequal distribution of society’s rewards. Examples. Estate System (Feudal Europe). Mountain or Molehill?. Michelle C. Odden, PhD. Outlines. Definitions and DAGs. Quantifying the bias. Should we be worried?. Discussion. Definitions & DAGs. Confounding Bias. Exposure. Outcome. Confounder. SUSMITA ROY. 27.09.21. Social Stratification vs Social . Differentiation. The difference between social stratification and social differentiation is subtle as they both are closely related terms. When speaking of the society, and also in the discipline of sociology, you may have heard of the terms, social stratification and social differentiation. In the society, people are categorized based on their income, occupation, social status and other factors. .