Z-score
Definition of Z-score
Z-score: A z-score is a statistic that measures how far a particular observation is from the mean, in standard deviations.
Z-score: A z-score is a statistic that measures how far a particular observation is from the mean, in standard deviations.
Definition of Ensemble Learning Ensemble Learning: Ensemble Learning is a technique that combines the predictions or classifications of multiple machine learning models in order to improve the accuracy of the predictions. What is Ensemble Learning used for? Ensemble Learning is a machine learning technique used to combine multiple models or algorithms together to produce better…
Definition of R-squared R-squared: R-squared is a statistic that measures how close the data points in a set are to a regression line (how well a model fits the data). It is a number between 0 and 1, with 1 indicating a perfect correlation and 0 indicating no correlation at all. It is calculated by…
Definition of Upstream Upstream: Upstream and Downstream are terms used in data science to describe the flow of data or what order events occur. Data is processed and becomes more refined as it moves through the various processes. Upstream is closer to the source. When discussing a specific process step, Downstream is a term that…
Definition of Objective Function An objective function (in machine learning) is a mathematical formula used to calculate the relative merit of each possible solution to a problem. The objective function takes into account the inputs and outputs of a problem, as well as any constraints that may exist. It then calculates a score for each…
Definition of NoSQL NoSQL is a type of database that does not conform to the traditional model of a relational database. It is schema-less, which means that you don’t have to predefine the fields and structure of your data when you add it to the database. This makes it easy to change and adapt as…
Definition of Meta-analysis Meta-analysis: A meta-analysis is a literature review of qualitative and quantitative studies that have been published on a specific topic. The goal of a meta-analysis is to summarize the findings of these studies and to identify patterns in the data. How is Meta-analysis used? Meta-analysis is a statistical technique used to combine…