Open Source
Definition of Open Source
Open Source: Open source refers to software for which the original source code is made freely available and may be redistributed and modified.
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Matrix
ByDavis
Definition of Matrix Matrix: A matrix (plural matrices) is a rectangular array of numbers, symbols, or other objects. The individual items in a matrix are called its elements. Related: “The Matrix” is an awesome movie from 1999. How is a Matrix used? A matrix is an array of numbers or other data used in mathematics…
Kolmogorov-Smirnov Statistic
ByDavis
Definition of Kolmogorov-Smirnov Statistic Kolmogorov-Smirnov Statistic: The Kolmogorov-Smirnov statistic is a measure of the difference between two distributions. It is used to determine whether the two distributions are statistically different from each other. How is Kolmogorov-Smirnov Statistic used? The Kolmogorov-Smirnov Statistic (K-S Test) is a nonparametric test used to compare the distributions of two samples….
Independent Variable
ByDavis
Definition of Independent Variable An independent variable is a variable that is manipulated by the experimenter in a scientific study. It is typically one factor that is changed while all other factors are kept constant. What is an Independent Variable used for? An independent variable is a type of variable used in statistical models and…
Data Preparation
ByDavis
Definition of Data Preparation Data preparation: Data preparation is the process of getting data ready for analysis. This often includes cleaning up the data, removing outliers, and transforming it into a form that is suitable for the analysis that will be performed. Why is a Data Preparation process used? What is it good for? Data…
Null Hypothesis
ByDavis
Definition of Null Hypothesis The null hypothesis is a statement that is presumed to be true until evidence is presented to suggest otherwise. In statistics, the null hypothesis is typically contrasted with the alternative hypothesis, which is the statement that is posited if the null hypothesis is found to be false. The null hypothesis is…