PPT-Planning a Cohesive Set of Experiments

Ocean Acidification A Systems Approach to a Global Problem Lesson 4 Warm up How is ocean acidification a global problem Is OA a situation that requires a systems study Why or why not What do you think systems thinking is. . True Experiments. Characteristics. Threats to validity controlled by experiments. Threats not controlled by experiments. Obstacles to true experiments in the field. . Quasi-experiments. The logic of quasi-experiments . Unconscious Behavior. Criteria: . Real problem. Relevant to food (health). Actionable. Best method. Best journal. Method: . Pediatrician office flu/cold patients. 2x2: . teasp. vs. . tblsp. ; kid vs. no kid. Research Objective. Show direct cause & effect. Study relationships among variables for existing groups. Explain outcomes after the fact. Type of Design. True Experiment. Quasi-Experiment. Cross-Sectional. Ronny Kohavi, . GM, Experimentation Platform, Microsoft. Slides available at . http://exp-platform.com. Part 1. 2. Amazon . Shopping Cart . Recs. Add an item to your shopping cart at a website. Most sites show the cart. By. Ajinkya. . Thorve. Introduction. Advancement of tracking technologies has lead to increased data collection.. Collected data used, sold and resold for serving targeted advertisements.. Serious privacy concern!. Design and Analysis. STA 320. Design and Analysis of Causal Studies. Dr. Kari Lock Morgan and Dr. Fan Li. Department of Statistical Science. Duke University. Covariates. Pre-treatment variables. X: n x k covariate matrix. Overview. Causal effects. Debates to be considered. Experimental vs. non-experimental. Field vs. laboratory experiments. Structural vs. reduced form. Key dimensions of the debate. Generalizability. Control and feasibility. Outline. Motivation for quantum tomography. Framework for self-consistent, calibration-free tomography: . Gate set tomography. Achieving Heisenberg accuracy scaling with gate set tomography. Using gate set tomography to build a better trapped ion qubit at Sandia National Laboratories. 8 The experiment should be conducted only by scientifically qualified persons The highest degree of skill and care should be required through all stages of the experiment of those who conduct or engag Feb 20, 2009. Definition of subgroups . Definition of sub-groups: “Cohesive subgroups are subsets of actors among whom there are relatively strong, direct, intense, frequent or positive ties. It formalizes the strong social groups based on the social network properties ”. Xiaomei. Zhang. IHEP Computing . Center. Outline. Overview of IHEP experiments. General Challenges . Challenges and practice of software. JUNO Neutrino experiment . Status and challenges of computing. Margherita. . Polacci. F. . Arzilli, G. La Spina, N. Le . Gall. , . R. . Torres-. Orozco. , M. E. . Hartley. , D. Di Genova, . R. . C. . Atwood. , E. . W. . . Llewellin. , . R. . . Brooker. , H. M. . Quantitative Engineering Approaches. What do we know?. How do we design experiments and scale ?. Implications. Nothing except parameters we can vary. Statistical Experimental Design . Lots of experiments at all scales. Bradley Jones. Distinguished Research Fellow. JMP Division/SAS. Outline. Introduction. Textbook Designs – restrictions and limitations. Examples of Computer Generated Designs. When the region of interest is not regular.