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Beare, R. A. – International Journal of Mathematical Education in Science and Technology, 2008
Professional astronomers use specialized software not normally available to students to determine the rotation periods of asteroids from fragmented light curve data. This paper describes a simple yet accurate method based on Microsoft Excel[R] that enables students to find periods in asteroid light curve and other discontinuous time series data of…
Descriptors: Least Squares Statistics, Astronomy, Computation, Data Analysis
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Lipovetsky, S. – International Journal of Mathematical Education in Science and Technology, 2007
The dependent variable in a regular linear regression is a numerical variable, and in a logistic regression it is a binary or categorical variable. In these models the dependent variable has varying values. However, there are problems yielding an identity output of a constant value which can also be modelled in a linear or logistic regression with…
Descriptors: Chemistry, Regression (Statistics), Models, Comparative Analysis