Jove
Visualize
联系我们
JoVE
x logofacebook logolinkedin logoyoutube logo
关于 JoVE
概览领导团队博客JoVE 帮助中心
作者
出版流程编辑委员会范围与政策同行评审常见问题投稿
图书馆员
用户评价订阅访问资源图书馆顾问委员会常见问题
研究
JoVE JournalMethods CollectionsJoVE Encyclopedia of Experiments存档
教育
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab Manual教师资源中心教师网站
使用条款与条件
隐私政策
政策

相关概念视频

Classification of Systems-I01:26

Classification of Systems-I

190
Linearity is a system property characterized by a direct input-output relationship, combining homogeneity and additivity.
Homogeneity dictates that if an input x(t) is multiplied by a constant c, the output y(t) is multiplied by the same constant. Mathematically, this is expressed as:
190
Sampling Plans01:23

Sampling Plans

189
Sampling is a crucial step in analytical chemistry, allowing researchers to collect representative data from a large population. Common sampling methods include random, judgmental, systematic, stratified, and cluster sampling.
Random sampling is a method where each member of the population has an equal chance of being selected for the sample. It involves selecting individuals randomly, often using random number generators or lottery-type methods. For example, when analyzing the properties of a...
189
Survival Tree01:19

Survival Tree

88
Survival trees are a non-parametric method used in survival analysis to model the relationship between a set of covariates and the time until an event of interest occurs, often referred to as the "time-to-event" or "survival time." This method is particularly useful when dealing with censored data, where the event has not occurred for some individuals by the end of the study period, or when the exact time of the event is unknown.
 Building a Survival Tree
Constructing a...
88
Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving01:29

Mechanistic Models: Compartment Models in Algorithms for Numerical Problem Solving

57
Mechanistic models play a crucial role in algorithms for numerical problem-solving, particularly in nonlinear mixed effects modeling (NMEM). These models aim to minimize specific objective functions by evaluating various parameter estimates, leading to the development of systematic algorithms. In some cases, linearization techniques approximate the model using linear equations.
In individual population analyses, different algorithms are employed, such as Cauchy's method, which uses a...
57
Classification of Systems-II01:31

Classification of Systems-II

150
Continuous-time systems have continuous input and output signals, with time measured continuously. These systems are generally defined by differential or algebraic equations. For instance, in an RC circuit, the relationship between input and output voltage is expressed through a differential equation derived from Ohm's law and the capacitor relation,
150
Aggregates Classification01:29

Aggregates Classification

328
Aggregate classification is generally based on its size, petrographic characteristics, weight, and source. Size classification ranges from coarse to fine aggregates, defined by the size of the particles. Coarse aggregates are particles that do not pass through ASTM sieve No. 4, and aggregates that pass through the sieve are fine aggregates.
Petrographic classification groups aggregates based on common mineralogical characteristics. Some of the common mineral groups found in aggregates are...
328

您也可能阅读

相关文章

通过共同作者、期刊和引用图与本文相关的文章。

排序
Same author

-Stacked Machine Learning for Timber Identification Using LaserInduced Breakdown Spectroscopy.

Applied spectroscopy·2026
Same author

Artificial Neural Networks for Discrimination of Automotive Clear Coats by Vehicle Manufacturer.

Sensors (Basel, Switzerland)·2026
Same author

Determination of Provenance Soil Type Using Inductively Coupled Plasma Mass Spectrometry (ICP-MS) Analyses of <i>Pinus ponderosa</i> Ash.

Applied spectroscopy·2025
Same author

Thermodynamic and Kinetic Characterization of Colloidal Polymers of <i>N</i>-Isopropylacrylamide and Alkyl Acrylic Acids for Optical pH Sensing.

Molecules (Basel, Switzerland)·2025
Same author

Using stable oxygen isotope dual-inlet isotope-ratio mass spectrometry to elucidate uranium transport and mixed <sup>230</sup>Th/U calcite formation ages at the seminal Devils Hole, Nevada, natural laboratory.

Rapid communications in mass spectrometry : RCM·2024
Same author

Alternating and Modified Alternating Least Squares Applied to Raman Spectra of Finished Gasolines.

Applied spectroscopy·2024
Same journal

Tyramide signal amplification integrated with magnetic bead separation to overcome the matrix effect and detect SAA protein in peripheral blood.

The Analyst·2026
Same journal

Single-probe sensor array based on inorganic salts for simple, rapid, and low-cost colorimetric identification of proteins.

The Analyst·2026
Same journal

Blue light exposure exacerbates Western diet-induced hepatic lipid accumulation and injury <i>via</i> suppression of the SIRT1-NR1D1 axis.

The Analyst·2026
Same journal

Rope-skipping for blood plasma separation in point-of-care testing.

The Analyst·2026
Same journal

Automated offline µ-SPE cleanup in GC-based multi-residue analysis: overcoming the challenges of fatty acid containing matrices.

The Analyst·2026
Same journal

An intelligent DNAzyme theranostic probe for <i>in situ</i> FTO bioimaging and real-time therapeutic efficacy evaluation in living cells.

The Analyst·2026
查看所有相关文章

相关实验视频

Updated: Jul 12, 2025

Volume Segmentation and Analysis of Biological Materials Using SuRVoS Super-region Volume Segmentation Workbench
11:38

Volume Segmentation and Analysis of Biological Materials Using SuRVoS Super-region Volume Segmentation Workbench

Published on: August 23, 2017

9.9K

监督的分密化用于整理分类模型.

James A Jordan1, Caelin P Celani2, Michael Ketterer3

  • 1United States Geological Survey, Reston, VA, USA.

The Analyst
|November 2, 2023
PubMed
概括
此摘要是机器生成的。

监督离散有效地解散化学传感器数据,优于外部参数整合 (EPO) 以提高分类准确性. 这种新的方法减少了模型的复杂性,并提高了各种化学传感应用中的数据分析.

更多相关视频

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
12:18

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment

Published on: January 11, 2020

7.6K
Automatic Image Processing to Determine the Community Size Structure of Riverine Macroinvertebrates
08:56

Automatic Image Processing to Determine the Community Size Structure of Riverine Macroinvertebrates

Published on: January 13, 2023

2.2K

相关实验视频

Last Updated: Jul 12, 2025

Volume Segmentation and Analysis of Biological Materials Using SuRVoS Super-region Volume Segmentation Workbench
11:38

Volume Segmentation and Analysis of Biological Materials Using SuRVoS Super-region Volume Segmentation Workbench

Published on: August 23, 2017

9.9K
A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
12:18

A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment

Published on: January 11, 2020

7.6K
Automatic Image Processing to Determine the Community Size Structure of Riverine Macroinvertebrates
08:56

Automatic Image Processing to Determine the Community Size Structure of Riverine Macroinvertebrates

Published on: January 13, 2023

2.2K

科学领域:

  • 分析化学 分析化学
  • 化学测量 化学测量 化学测量
  • 机器学习 机器学习

背景情况:

  • 化学传感中的多变量分类模型经常受到类内的非信息变异的阻碍.
  • 现有的清理方法旨在减少类内差异,同时保持类间差异,以提高模型性能.
  • 外部参数对称 (EPO) 是当前数据清理的最先进技术.

研究的目的:

  • 引入和展示监督离散作为一种新的方法来解散多变量分类数据.
  • 为了比较监督秘密化与已建立的EPO方法的有效性.
  • 在现实世界化学传感器应用中评估监督离散的性能.

主要方法:

  • 开发了监督分密化,并应用于多变量化学传感器数据.
  • 该方法与使用关键性能指标的外部参数整合 (EPO) 进行了比较.
  • 该方法在三个不同的分类任务中得到验证:松灰的X射线光 (XRF),手工玻璃的激光诱导分解光谱 (LIBS) 和硬木物种的LIBS.

主要成果:

  • 与EPO相比,监督离散显示出更高的清理性能.
  • 这种方法导致了更节的模型,参数更少,减少了过度装配的风险.
  • 最小化了信息丢失,从而提高了测试应用程序的分类准确性.

结论:

  • 监督离散提供了一种比目前的方法更有效和更强大的方法来清理化学传感器数据.
  • 这种技术在提高化学传感中多变量分类的性能和可靠性方面具有显著的前景.
  • 监督分离的节性质使其成为开发先进化学测量模型的宝贵工具.