Samples
Definition of Samples
Samples: Samples are a subset of the data that is used to train a machine learning model. The goal is to choose a dataset that will produce the best results on the test dataset.
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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…
Type I Error
ByDavis
Definition of Type I Error Type I error: A type I error, also known as a false positive error, is the incorrect rejection of a true null hypothesis.
Normalized
ByDavis
Definition of Normalized Normalized: Normalized is a statistic term referring to the process of adjusting a value to have a unit of measurement. For example, the value of weight can be normalized by dividing it by the unit of weight, such as kilograms.
Operational Definition
ByDavis
Definition of Operational Definition Operational Definition: An operational definition is a specific, quantitative definition of a term, which can be used to measure or calculate it. This definition is typically found in a laboratory setting, where a scientist can observe and measure the term’s properties. For example, the operational definition of the speed of light…
Decision
ByDavis
Definition of Decision Decision: A decision is a choice that is made between two or more possibilities. What are Decisions used for? Decisions are used to make choices or reach conclusions. They are a crucial part of the data science and machine learning process, since they allow us to make decisions based on information collected…