Octile
Definition of Octile
Octile: An octile is a statistical value that divides a set of data into eight equal parts.
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Stata
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Definition of Stata Stata is a software package used for statistical analysis. It is known for its powerful scripting language, which allows users to write custom code to carry out complex analyses. Stata also includes a wide range of built-in commands, making it easy to get started with data analysis.
Non-Negative Matrix Factorization
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Definition of Non-Negative Matrix Factorization Non-Negative Matrix Factorization: Non-negative Matrix Factorization (NMF) is a technique used to decompose a matrix into two parts: a lower triangular matrix (containing the “feature” values) and an upper triangular matrix (containing the “coefficients” associated with each feature).
Categorical
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A categorical variable is a type of data that is represented by a list of values. These values can be either numbers or text, and they are usually organized into categories.
Kernel Regression
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Definition of Kernel Regression Kernel Regression: Kernel regression is a type of nonlinear regression that uses a kernel function to calculate the weight of each input data point. This type of regression is often used for time series data, where the input points are close together in time. How is Kernel Regression used? Kernel Regression…
Windowed Aggregation
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Definition of Windowed Aggregation Windowed Aggregation: Windowed aggregation is the process of computing a statistic over a fixed-size window of data. The window slides along the data set, taking a fixed number of values from the start of the set and computing the statistic for each one. This can be done with any type of…
Quartile
ByDavis
Definition of Quartile Quartile: A quartile is a statistic that divides a data set into four equal parts. The first quartile is the lowest 25% of the data, the second quartile is the lower 50% of the data, the third quartile is the upper 50% of the data, and the fourth quartile is the highest…