PPT-A macro for Single Imputation

Xingshu Zhu Shuping Zhang Merck Co Inc PhilaSUG 2016 Our area of focus SPHERE S cientific Programming for P ublications H ealth Economics Statistics E arly Development Statistics. 6 December 2012. Introduction. I. mputation describes the process of predicting genotypes that have not been directly typed in a sample of individuals:. m. issing genotypes at typed variants;. genotypes at un-typed variants that are present in an external high-density “reference panel” of phased . longitudinal health . records. Irene Petersen and Cathy Welch. Primary Care & Population Health. Today. Issues with missing data and multiple imputation of longitudinal records. Twofold algorithm . María. . García. , Chandra Erdman, and Ben Klemens. Outline. Background on the Survey of Income and Program Participation (SIPP). Methods for missing data imputation. - . Randomized Hot deck. - SRMI . Presenter: . Ka. -Kit Lam. 1. Outline. Big Picture and Motivation. IMPUTE. IMPUTE2. Experiments. Conclusion and Discussion. Supplementary : . GWAS. Estimate on mutation rate . 2. Big Picture and Motivation. with large proportions of missing data. :how much is too much? . Texas A&M HSC . Jin. is designed by . Dr. Huber. Korean Female Colon Cancer. Risk. Factors. Range. Event . Non-event. HR. 95% CI. Katherine Lee. Murdoch Children’s Research Institute &. University of Melbourne. Missing data in epidemiology & clinical research. Widespread problem, especially in long-term follow-up studies. Cattram Nguyen, Katherine Lee, John . Carlin. Biometrics by the Harbour, 30 Nov, 2015. Motivating example: Longitudinal Study of Australian Children (LSAC). 5107 infants (0-1 year) recruited in 2004. Matt Spangler. University of Nebraska-Lincoln. Imputation. Imputation creates data that were not actually collected . I. mputation allows us to retain observations that would otherwise be left out of an analysis. Sarah Medland. Boulder 2015. What is imputation? . (. Marchini. & . Howie. 2010). . 3 main reasons for imputation. Meta-analysis. Fine Mapping. Combining data from different . chips. Other less common uses. Walter Leite. College of Education. University of Florida. Burak. Aydin. Recep. . Tayyip. . Erdo. ğ. an. University. Turkey. Sungur. . Gurel. Siirt. . University. Turkey. Duygu. Cetin-Berber. WHI using reference haplotypes from the 1000 Genomes Project. Presented by Qing Duan. Dr. Yun Li group. UNC at Chapel Hill. 09-13-2012. Outline. Imputation. Study samples: WHI African Americans and Hispanics samples. HUDK5199. Spring term, 2013. March 13, 2013. Today’s Class. Imputation in Prediction. Missing Data. Frequently, when collecting large amounts of data from diverse sources, there are missing values for some data sources. Boulder 2015. What is imputation? . (. Marchini. & . Howie. 2010). . 3 main reasons for imputation. Meta-analysis. Fine Mapping. Combining data from different . chips. Other less common uses. sporadic missing data imputation . Micro Economic- Meaning. Concept originate from the Greek word-Mikros means small part . Deals with small part of national economy. . Like individual producer, single firm, price of specific article or commodity..