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14440CAUSEweb.orgen-useditor@causeweb.orgwebmaster@causeweb.orgTue, 2 Sep 2014 12:00:00 -0400Tue, 20 May 2014 12:00:00 -0400http://www.rssboard.org/rss-2-0-1A Practical Study of the Capture/Recapture Method of Estimating Population Size
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1109
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1109This article describes the process the of capturing and recapturing of mobile animals in order to estimate population size.Mon, 21 Jan 2013 06:37:06 -0500A Class Exercise Concerning the Distribution of Plants
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1108
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1108This article describes how an Environmental Science class became involved in a study to confirm the hypothesis that weeds are distributed at random in well established lawns.Mon, 21 Jan 2013 06:32:23 -0500Webinar: Fighting cancer with raspberries: demonstrating the value of random assignment
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1932
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1932May 26, 2009 Activity webinar presented by Dennis Pearl, The Ohio State Unversity, and hosted by Leigh Slauson, Otterbein College. This webinar describes a computer lab activity using the Flash-based applet at www.causeweb.org/mouse_experiment to teach key principles regarding the value of random assignment. These include:1) how it helps to eliminate bias when compared with a haphazard assignment process, 2) how it leads to a consistent pattern of results when repeated, and3) how it makes the question of statistical significance interesting since differences between groups are either from treatment or by the luck of the draw.In this webinar, the activity is demonstrated along with a discussion of goals, context, background materials, class handouts, and assessments.Sun, 2 Aug 2009 10:28:41 -0400BrightStat.com - Statistics made easy
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1858
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1858BrightStat is a free online application for statistical analyses. Besides many non-parametric tests, BrightStat offers multiple linear regression, logistic regression, ANOVA and repeated measurements ANOVA as well as Kaplan Meier Survival analysis. BrightStat has an easy to use GUI and supports the creation of mostly used scientifc graphs such as line-, bar-, scatter- and box-plots as well as histograms.Wed, 8 Apr 2009 07:26:57 -0400Multivariate Statistics
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1589
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1589This course from Manchester Metropolitan University covers many topics in Multivariate Statistics in depth. To navigate, use the buttons at the top of the page. CA = Cluster Analysis; PCA = Principal Components Analysis; C&RT = Decision and Regression Trees; DA = Discriminant Analysis; MR = Multiple Regression. Topics under "Others" include Artificial Neural Networks, Principal Coordinates Analysis, Correspondence Analysis, Canonical Correspondence Analysis, Logistic Regression, Log-Linear Models, Mantel Test. A glossary is also included.Thu, 21 Sep 2006 01:50:32 -0400An Epidemic Applet
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1585This simulation applet shows percent of infection over time for an epidemic. Users specify the number groups, the size of each group, the within group activity rate, the outside group activity rate, the number of initial infectives, and the number of time units.Tue, 19 Sep 2006 04:21:31 -0400CAST: Computer Assisted Statistics Teaching
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1552CAST contains three complete introductory statistics courses, one advanced statistical methods course, and additional modules. Each introductory course presents the same topics, but with different applications. The first is a general version, the second is a biometric version with examples relating to biological, agricultural and health sciences, and the third is a business version. Each course comes in a student version and a lecture version. The additional modules cover Multiple and Nonlinear Regression, Quality Control, and Simulation. Registration is required, but free. Individuals or classes can register.Tue, 12 Sep 2006 10:52:37 -0400What is Statistics?
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1551These pages from the University of Melbourne explain statistical concepts using various examples from medicine, science, sports, and finance. The intent is not computational skill but conceptual understanding. Some pages also contain data.Mon, 11 Sep 2006 05:13:28 -0400Guide to Nonlinear Regression
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1530This tutorial introduces nonlinear regression and provides a review of linear regression. Topics covered include Introduction to Regression, Nonlinear Regression, Interpreting the Results of Nonlinear Regression, Comparing Two Curves, and Distributions of Best-Fit Values. These materials are intended for those who study the natural and physical sciences.Wed, 30 Aug 2006 11:52:43 -0400Harvard Forest Data Archive
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1484
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1484This collection of datasets from Harvard University covers many ecological topics from insects to hurricanes. Each dataset's description includes the name of the investigator, dates of collection, location, abstract, and method of collection. The metadata file for each dataset provides descriptions of the variables. Please read the terms of agreement before use.Thu, 17 Aug 2006 03:54:27 -0400Vanderbilt Medical Center Dataset
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1434
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1434This collection of datasets was compiled by the Biostatistics Department at Vanderbilt University. They come in R, S, Excel, and ASCII formats. Each also has a description in html format. Fri, 28 Jul 2006 02:57:22 -0400Detectives in the Classroom
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1299
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1299This curriculum focuses on developing scientific and statistical literacy in middle and high school students through investigations in epidemiology. There are 5 modules and 34 lessons, each detailing national standards met, instructions for the activities, and lecture slides.Mon, 26 Jun 2006 03:43:18 -0400Mouse Experiment
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1253
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1253This Flash based applet simulates data from a case study of treatments for tumor growth in mice. This simulation allows the user to place mice into a control and treatment groups. The simulation then compares the difference in the groups based on this haphazard selection to those of a truly random assignment.Thu, 25 May 2006 03:40:20 -0400Spinning Wheel
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1151This activity uses a computer program to explore probability concepts such as sample space, independent events, law of large numbers, and reliability. An outline of the activity and the computer program are provided.Tue, 13 Sep 2005 11:38:54 -0400Probability, Genetics and the Human Condition
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1144This is a three day lesson plan. The first day is an introduction to concepts in probability. The second day is an application of probability in the field of genetics. The third day is a time for students to expand their understanding of probability and genetics via short research project. The site includes resources, advice, and notes to the teacher. Probability topics include: law of large numbers, simple and compound events, sample size, sample space, and more.Mon, 12 Sep 2005 12:51:17 -0400Animals in a Pond
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1105This article explains the importance of combining biology and statistics together to lead to understanding of both. It suggests bringing pond life in to the classroom to illustrate a wide range of concepts and methods. Some of the concepts that can be studied using the classroom pond include descriptive statistics, sample size, sums of random variables, central limit theorem, hypothesis testing, and the Poisson distribution.Thu, 18 Aug 2005 10:52:13 -0400Do Bristlebacks Cluster?
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1104
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1104This article describes a project from Biology. The purpose was to form an opinion on whether populations of Daphnia and Bristlebacks (Thysanura, small water creatures), cluster or whether they position themselves substantially at random.Tue, 16 Aug 2005 12:33:32 -0400Guides for Scientific Writing and Statistics
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http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=515This page is a guide to writing and using statistics in the field of science. It is aimed at biology students. It contains information on formatting and the use of tables as well as links to pages about frequency analysis, t-tests, and regression.Tue, 9 Aug 2005 02:33:36 -0400The R.A. Fisher Digital Archive
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=362
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=362This site has an extensive collection of the papers of R.A. Fisher, the father of modern experimental design and much of statistics as we know it. The material is primarily in the form of Acrobat (PDF) copies of papers authored by Fisher. This material may be useful for a course on the history of statistics, or as additional reading for courses on experimental design.Tue, 9 Aug 2005 02:18:17 -0400What Does It Take to Heat a New Room? Estimating Utility Demand in a Home
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1090
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1090This article describes a dataset containing energy use data for single-family homes and monthly weather data in the Boston area over a seven year period. The data can help illustrate concepts like central tendency, dispersion, time series analysis, correlation, simple and multiple regression, and variable transformations. Key Words: measurement; forecasting.Tue, 26 Jul 2005 03:44:36 -0400Using EDA, ANOVA and Regression to Optimise some Microbiology Data
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1089
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1089This article describes a dataset containing information on bacterium culturing. Students can use graphical methods, one-way and two-way ANOVA, and multiple polynomial regression to estimate the optimal conditions for bacteria growth. Key Words: Analysis of variance; Exploratory data analysis; Interactions; Optimisation; Outlier.Tue, 26 Jul 2005 03:39:29 -0400Sexual Activity and the Lifespan of Male Fruitflies: A Dataset That Gets Attention
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1072
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1072This article presents a dataset from an experiment designed to test if increased reproduction reduces longevity for male fruitflies. The data are in .dat format. Key Words: Analysis of variance; Contrasts; Experimental design; Regression; Precision; Statistical interaction; Survival analysis.Tue, 26 Jul 2005 01:34:01 -0400Exploring Relationships in Body Dimensions
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1063
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=1063This article presents a dataset containing physical measurements for 507 physically active individuals. These data can be used to demonstrate simple descriptive statistics, least squares and multiple regression, or discriminant and classification analysis. The data are in .dat format. Tue, 26 Jul 2005 12:35:07 -0400Quantitative Environmental Learning Project
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=988
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=988This site provides numerous datasets for graphical display topics including linear, exponential, logistic, power rule, periodic, and other bivariate scatterplots, histograms, and other univariate data. Each data set is accompanied with a description, file format options, and a sample graph.Fri, 17 Jun 2005 03:22:37 -0400Whelk-Come to Mathematics: Using Rational Functions to Investigate the Behavior of Northwestern Crow
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=980
http://www.causeweb.org/cwis/index.php?P=FullRecord&ResourceId=980This Unit Plan contains 4 lessons in which students will make a conjecture, conduct an experiment, analyze the data, and work to a conclusion using rational functions to investigate the behavior of Northwestern Crows.Mon, 23 May 2005 04:10:39 -0400