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Data analysis is the process of inspecting, cleansing, ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.
data data analysis data set A sample and the associated data points. data point A typed measurement — it can be a Boolean value, a real number, a vector (in which case it is also called a data vector), etc. decision rule decision theory degrees of freedom density estimation dependence dependent variable descriptive statistics design of ...
Data science is a "concept to unify statistics, data analysis, machine learning and their related methods" in order to "understand and analyze actual phenomena" with data. [90] It employs techniques and theories drawn from many fields within the context of mathematics, statistics, information science, and computer science. data structure
Data science is a "concept to unify statistics, data analysis, machine learning, and their related methods" in order to "understand and analyze actual phenomena" with data. [136] It employs techniques and theories drawn from many fields within the context of mathematics, statistics, information science, and computer science. data set. Also dataset.
Data analysis focuses on the process of examining past data through business understanding, data understanding, data preparation, modeling and evaluation, and deployment. [8] It is a subset of data analytics, which takes multiple data analysis processes to focus on why an event happened and what may happen in the future based on the previous data.
The NIST Dictionary of Algorithms and Data Structures [1] is a reference work maintained by the U.S. National Institute of Standards and Technology. It defines a large number of terms relating to algorithms and data structures. For algorithms and data structures not necessarily mentioned here, see list of algorithms and list of data structures.
Factors: Process inputs that an investigator manipulates to cause a corresponding change in the output. Some factors cannot be controlled by the experimenter but may affect the responses. These uncontrolled factors should be measured and used in the data analysis, if their effect is significant. Note: The inputs can be discrete or continuous.
Data visualization refers to the techniques used to communicate data or information by encoding it as visual objects (e.g., points, lines, or bars) contained in graphics. The goal is to communicate information clearly and efficiently to users. It is one of the steps in data analysis or data science. According to Vitaly Friedman (2008) the "main ...