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Data Preprocessing Techniques for AI and Machine Learning Readiness: Scoping Review of Wearable Sensor Data in Cancer Care

Data Preprocessing Techniques for AI and Machine Learning Readiness: Scoping Review of Wearable Sensor Data in Cancer Care

Nevertheless, transforming raw data into meaningful analysis and insights presents numerous challenges, making standardized workflows for data preprocessing essential. Data preprocessing involves a series of steps designed to clean and refine data to ensure its reliability and suitability for analysis using artificial intelligence and machine learning (AI/ML) techniques.

Bengie L Ortiz, Vibhuti Gupta, Rajnish Kumar, Aditya Jalin, Xiao Cao, Charles Ziegenbein, Ashutosh Singhal, Muneesh Tewari, Sung Won Choi

JMIR Mhealth Uhealth 2024;12:e59587

Evaluating the Bias in Hospital Data: Automatic Preprocessing of Patient Pathways Algorithm Development and Validation Study

Evaluating the Bias in Hospital Data: Automatic Preprocessing of Patient Pathways Algorithm Development and Validation Study

Such a method is intended to ease the preprocessing of real data for data analysts or hospital managers who seek a clean database with unbiased medical pathways. The scientific contributions of this paper are as follows: This study provides a new framework to model patient pathways considering hospital management constraints (eg, bed occupancy and resource availability). This framework is used to assess patient pathways.

Laura Uhl, Vincent Augusto, Benjamin Dalmas, Youenn Alexandre, Paolo Bercelli, Fanny Jardinaud, Saber Aloui

JMIR Med Inform 2024;12:e58978

A Wolf in Sheep’s Clothing: Reuse of Routinely Obtained Laboratory Data in Research

A Wolf in Sheep’s Clothing: Reuse of Routinely Obtained Laboratory Data in Research

Researchers reusing routine laboratory data, such as epidemiologists and data scientists, who are oblivious to this “world behind the numbers” may either apply or omit (un)necessary preprocessing steps important for the creation of a clinically meaningful data set that may lead to false conclusions.

L Malin Overmars, Michael S A Niemantsverdriet, T Katrien J Groenhof, Mark C H De Groot, Cornelia A R Hulsbergen-Veelken, Wouter W Van Solinge, Ruben E A Musson, Maarten J Ten Berg, Imo E Hoefer, Saskia Haitjema

J Med Internet Res 2022;24(11):e40516

The Importance of Nonlinear Transformations Use in Medical Data Analysis

The Importance of Nonlinear Transformations Use in Medical Data Analysis

We demonstrate that transformation-based preprocessing is an enhancer tool important for even simple questions using simple tools. Incorporating transformations into the preprocessing stage is essential in order to enable less-sophisticated data analysts to obtain informative and relevant results by simple means. With the ever-increasing numbers of variables and subjects, there is a notion in the general public that simply the amount of data will reveal all there is to understand from it.

Netta Shachar, Alexis Mitelpunkt, Tal Kozlovski, Tal Galili, Tzviel Frostig, Barak Brill, Mira Marcus-Kalish, Yoav Benjamini

JMIR Med Inform 2018;6(2):e27