Interactive Scatterplot
This resource consists of a Java applet and expository text. The applet allows the user to construct a scatterplot by clicking on a graph to generate the bivariate data. The means, standard deviations, correlation, and the regression line are shown.
Interactive Histogram
This resource consists of a Java applet and expository text. The applet allows the user to construct a histogram by clicking on a number line to generate the sample data. The class width can be varied and various summary statistics can be displayed.
Gamma Estimate Experiment
This resource consists of a Java applet and expository text. The applet simulates a random sample from a gamma distribution, and computes standard point estimates of the shape and scale parameters. The bias and mean square error are also computed.
Beta Estimate Experiment
This resource consists of a Java applet and expository text. The applet simulates a random sample from a beta distribution, and computes standard point estimates of the left and right parameters. The bias and mean square error are also computed.
Bivariate Normal Experiment
This resource consists of a Java applet and expository text. The applet simulates the bivariate normal distribution. The means are set at 0, but the standard deviations and the correlation can be varied. Simulated points from the distribution are shown as dots in a scatterplot.
Roulette Experiment
This resource consists of a Java applet and expository text. The applet is a simulation of the standard casino roulette game. The random variables of interest are the winning under various bets.
Poker Experiment
This resource consists of a Java applet and expository text. The applet simulates the basic poker experiment of dealing 5 cards from a standard deck. The random variable of interest is the type of hand.
Finite Order Statistic Experiment
This resource consists of a Java applet and expository text. The applet is a simulation of the experiment of selecting n objects at random from the first m positive integers. The random variables of interest are the order statistics. The applet illustrates the distributions of the order statistics.
Craps Experiment
This resource consists of a Java applet and expository text. The applet is a simulation of the standard casino craps game. The random variables of interest are the winning under various bets.
Card Experiment
This resource consists of a Java applet and expository text. The applet is a simulation of drawing n cards from a standard deck. The parameter n can be varied.
USGS Materials Maps
Visitors can learn about the relatively new field of imaging spectroscopy, which allows specific absorption features, caused by chemical bonds in materials, to be mapped spatially. Topics include an introduction to the procedure, environmental applications, vegetation and biota mapping, lithologic, and mineral mapping. A set of links provides access to reports, accompanied by spectroscopic images, on the use of this new tool in chosen locations.
Offshore Hydromechanics
Offshore Hydromechanics includes the following modules:
1. Hydrostatics, static floating stability, constant 2-D potential flow of ideal fluids, and flows in real fluids. Introduction to resistance and propulsion of ships. Review of linear regular and irregular wave theory.
2. Analytical and numerical means to determine the flow around, forces on, and motions of floating bodies in waves.
3. Higher order potential theory and inclusion of non-linear effects in ship motions. Applications to motio
The Thin Blue Line-Forensic Scientists
This site draws on, and brings together, many scientific disciplines-identification of hairs and fibers, forensic psychology,DNA testing, photography, bloodstain pattern analysis, and computer forensics-that contribute to the integrated analysis of a crime and the physical evidence left at a crime scene.
Bio-engineered Animals and Models of Human Disease
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Big Molecules: Solids
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Basically Weak: Weak Acids and Bases
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The Eighth H.W. Arndt Memorial Lecture: Rehabilitating the Unloved Dollar Standard
The international dollar standard is an accident of history that greatly facilitates international trade and exchange. But erratic U.S. monetary and financial policies, have upset the U.S. and a world economy thus makes foreigners unhappy. Paradoxically, the asymmetrical nature of the dollar standard also makes many Americans unhappy because they cannot control their own exchange rate. Although nobody loves the dollar standard, it is a remarkably robust institution that is too valuable to lose a
Quelles machines pour enseigner la langue ?
This paper first presents a history of Computer-Assisted Learning (CAL), setting its origins in the 1920s with the invention of mechanical learning machines. The use of the computer then allowed the development of different types of language learning activities: comprehension tasks, simulations, etc. However, without the contribution of natural language processing (NLP), these activities are of limited use. We address the problem of the integration of NLP in CALL systems while summing up the cha
Introduction to Sport at Oxford
A short introduction to sport at Oxford.
Climate Change and the Fate of the Amazon 2007 - Introduction
Climate Change and the Fate of the Amazon: An introduction to conference structure and aims.
