Update
Definition of Update
Update: Update is the process of modifying an existing item in a dataset. This may be done to correct errors, add new information, or improve the accuracy of the data.
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Confidence Interval
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Confidence Interval: A range of values that is calculated based on sample statistics and is used to measure how accurate a prediction made by a model is likely to be.
Spearman’s Rank Correlation Coefficient
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Definition of Spearman’s Rank Correlation Coefficient Spearman’s Rank Correlation Coefficient: Spearman’s Rank Correlation Coefficient is a measure of the strength of a linear relationship between two sets of data. It is calculated by taking the sum of the products of the ranks of corresponding values in each data set, divided by the product of the…
Windowed Aggregation
ByDavis
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…
Discrete Variable
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Definition of Discrete Variable A discrete variable is a variable that can only take on certain, specific values. Contrast this with a continuous variable, which can take on any value within a given range. Discrete variables are often used in statistical models to represent outcomes that can only happen a certain number of times, or…
Mode
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Definition of Mode Mode: Mode is a statistical measure of the typical value of a data set. It is calculated by taking the sum of the data values and dividing by the number of data points. Mode is most useful when dealing with nominal data. How is Mode used? Mode is a central measure of…
Multivariate Analysis
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Definition of Multivariate Analysis Multivariate Analysis: Multivariate analysis is a set of statistical techniques used to analyze data that has more than one variable. The goal of multivariate analysis is to identify relationships between the variables and to find patterns in the data. How is Multivariate Analysis used? Multivariate Analysis is a data science and…