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an equation that contains at least one derivative.
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Geographic information systems (GIS) provide facilities for storing, managing and analyzing geographic data which can be used for statistical purposes.
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an R package to fit generalized additive mixed models using mgcv (mixed GAM computation vehicle) and lme4 (linear mixed-effects models).
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a transformation that is applied to the correlation coefficient, r, for use in hypothesis testing & constructing confidence intervals.
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a general class of models used for estimation and inference that contain a nonparametric component and a parametric component.
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Non-parametric test to compare two paired samples. Not to be confused with the Wilcoxon [signed-rank-test].
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The Apache Spark distributed machine learning library.
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used to model the relation between individual location (ability) on a latent trait and their probability of endorsing a dichotomous item, which is characterized by its difficulty, a…
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a probability distribution over sequences of words.
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underdetermined when the number of parameters to be estimated is greater than the number of data. This problem is also referred to as 'p >> n'.
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commonly defined as variables that are correlated with another predictor & causally unrelated to the response, but that are nonetheless significant in a multiple regression mo…