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Related Concept Videos

Introduction to Statistics01:17

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The science of statistics involves collecting, analyzing, interpreting, and presenting data. The method of collecting, organizing, and summarizing data is called descriptive statistics. The systematic method of drawing inferences from the sample data and predicting unknown characteristics of a population is called inferential statistics.
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When we take repeated measurements on the same or replicated samples, we will observe inconsistencies in the magnitude. These inconsistencies are called errors. To categorize and characterize these results and their errors, the researcher can use statistical analysis to determine the quality of the measurements and/or suitability of the methods.
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Descriptive statistics describe or summarize relevant characteristics of a sample and aid in the analysis of data of interest. When analyzing large quantities of data and developing an inference, one needs to identify a value representative of the entire data set. Characteristics such as central tendency, extreme values, range of measurements, or the most repeated value can help better understand the data.
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A goodness-of-fit test is conducted to determine whether the observed frequency values are statistically similar to the frequencies expected for the dataset. Suppose the expected frequencies for a dataset are equal such as when predicting the frequency of any number appearing when casting a die. In that case, the expected frequency is the ratio of the total number of observations (n)  to the number of categories (k).
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Probability is the likelihood of an event occurring. The term event is defined as a collection of results of a procedure. An event is a simple event when an outcome cannot be divided into simpler parts.
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In biostatistics, data are the observations collected for analysis. There are two main types: parametric and non-parametric. Parametric data, which include continuous (e.g., weight) and discrete numerical data (e.g., number of tablets), assume a particular distribution pattern, often the normal distribution. Non-parametric data do not adhere to a specific distribution and typically comprise nominal (e.g., gender) and ordinal categorical data (e.g., pain scale ratings).
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Common statistical concepts in the supervised Machine Learning arena.

Hooman H Rashidi1,2, Samer Albahra1,2, Scott Robertson1,2

  • 1Pathology and Laboratory Medicine Institute (PLMI), Cleveland Clinic, Cleveland, OH, United States.

Frontiers in Oncology
|February 27, 2023
PubMed
Summary
This summary is machine-generated.

Statistics are fundamental to Machine Learning (ML), providing essential rules and performance metrics. This review focuses on key statistical concepts for supervised ML, including classification and regression.

Keywords:
Machine Learningartificial intelligenceclassificationmodel evaluationsregressionstatistics

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Area of Science:

  • Machine Learning
  • Statistics
  • Data Science

Background:

  • Statistics form the bedrock of Machine Learning (ML), underpinning its core principles and functionalities.
  • Objective assessment of ML model performance relies heavily on appropriate statistical measurements.
  • The broad scope of statistics in ML necessitates focused reviews on specific areas.

Purpose of the Study:

  • To elucidate the critical role of statistical concepts in Machine Learning.
  • To concentrate on common statistical principles relevant to supervised ML tasks.
  • To examine the interdependencies and limitations of these statistical methods.

Main Methods:

  • Review of foundational statistical concepts applicable to supervised ML.
  • Analysis of statistical measurements for evaluating ML model performance.
  • Exploration of interdependencies and limitations within supervised ML statistics.

Main Results:

  • Identified statistics as an indispensable component of ML development and evaluation.
  • Highlighted the importance of statistical rules for supervised learning models like classification and regression.
  • Discussed the practical implications and constraints of applying statistical methods in ML.

Conclusions:

  • Emphasizes the inseparable relationship between statistics and Machine Learning.
  • Underscores the necessity of statistical understanding for effective supervised ML.
  • Suggests further research into the nuanced application of statistics in ML.