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

Model Approaches for Pharmacokinetic Data: Distributed Parameter Models01:06

Model Approaches for Pharmacokinetic Data: Distributed Parameter Models

82
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
82
Selected Data About Geographic Locations01:25

Selected Data About Geographic Locations

30
Geographic Information Systems (GIS) rely on two core types of data: spatial data and attribute data.Spatial DataSpatial data defines the physical location of features within a coordinate system, typically expressed in terms of latitude and longitude. It provides precise positioning for elements like roads, rivers, or buildings.Attribute DataAttribute data complements spatial data by adding descriptive information about these features. For example, a road's spatial data includes its start and...
30
Distance Measurements by Taping01:18

Distance Measurements by Taping

47
Tapes are essential in surveying for accurate, durable, and short-distance measurements. Made from lightweight, nylon-coated steel, they offer flexibility and strength for rugged outdoor use. The nylon coating protects against rust and wear, extending the tape's life. Standard lengths, around 30 meters, are marked in meters and millimeters for precision.Surveyors select tapes based on site conditions and accuracy needs. Lightweight, nylon-coated tapes are commonly used for ease of handling and...
47
Relative Motion Analysis using Rotating Axes01:25

Relative Motion Analysis using Rotating Axes

473
Consider a component AB undergoing a linear motion. Along with a linear motion, point B also rotates around point A. To comprehend this complex movement, position vectors for both points A and B are established using a stationary reference frame.
However, to express the relative position of point B relative to point A, an additional frame of reference, denoted as x'y', is necessary. This additional frame not only translates but also rotates relative to the fixed frame, making it...
473
Improving Translational Accuracy02:07

Improving Translational Accuracy

11.4K
Base complementarity between the three base pairs of mRNA codon and the tRNA anticodon is not a failsafe mechanism. Inaccuracies can range from a single mismatch to no correct base pairing at all. The free energy difference between the correct and nearly correct base pairs can be as small as 3 kcal/ mol. With complementarity being the only proofreading step, the estimated error frequency would be one wrong amino acid in every 100 amino acids incorporated. However, error frequencies observed in...
11.4K

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

On summary ROC curve for dichotomous diagnostic studies: an application to meta-analysis of COVID-19.

Journal of applied statistics·2023
Same author

Spatially adaptive calibrations of airbox PM<sub>2.5</sub> data.

Biometrics·2023
Same author

Sound source localization patterns and bilateral cochlear implants: Age at onset of deafness effects.

PloS one·2022
Same author

Spatial process decomposition for quantitative imaging biomarkers using multiple images of varying shapes.

Statistics in medicine·2020
Same author

Prognostic and predictive signatures for treatment decisions.

Biomarkers in medicine·2018
Same author

Dissimilarity for functional data clustering based on smoothing parameter commutation.

Statistical methods in medical research·2017
Same journal

Elastic functional Cox regression model with shape predictors.

Journal of applied statistics·2026
Same journal

An improved two-stage binary relevance method for multilabel classification.

Journal of applied statistics·2026
Same journal

Classification of multivariate functional data with an application to ADHD fMRI data.

Journal of applied statistics·2026
Same journal

Assessing the performance of longitudinal T-lymphocytes as biomarkers of immune recovery in HIV-infected children with or without TB co-infection.

Journal of applied statistics·2026
Same journal

Sparse long-only Markowitz portfolio optimization.

Journal of applied statistics·2026
Same journal

Homogeneity of multinomial populations when data are classified into a large number of groups.

Journal of applied statistics·2026
查看所有相关文章

相关实验视频

Updated: Jul 14, 2025

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
11:52

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps

Published on: February 9, 2017

6.0K

可解释的,通过增强的对向方向估计的可预测的时空模型.

Heng-Hui Lue1, ShengLi Tzeng2

  • 1Department of Statistics, Tunghai University, Taichung, Taiwan.

Journal of applied statistics
|October 9, 2023
PubMed
概括
此摘要是机器生成的。

这项研究介绍了PDE+,这是一种用于时空数据分析的新方法. 它通过探索几何数据信息和捕获非线性结构来提高预测准确性和模型解释.

关键词:
共同变量 共同变量 共同变量缩小尺寸缩小尺寸的方法战争 战争 战争半参数模型 半参数模型时间空间数据.视觉化的可视化

更多相关视频

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data
14:27

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data

Published on: June 26, 2013

15.7K
Trajectory Data Analyses for Pedestrian Space-time Activity Study
16:14

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

13.6K

相关实验视频

Last Updated: Jul 14, 2025

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps
11:52

Temporal Ordering of Dynamic Expression Data from Detailed Spatial Expression Maps

Published on: February 9, 2017

6.0K
Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data
14:27

Identification of Disease-related Spatial Covariance Patterns using Neuroimaging Data

Published on: June 26, 2013

15.7K
Trajectory Data Analyses for Pedestrian Space-time Activity Study
16:14

Trajectory Data Analyses for Pedestrian Space-time Activity Study

Published on: February 25, 2013

13.6K

科学领域:

  • 统计 统计 统计 统计
  • 数据科学数据科学数据科学
  • 地理空间分析是什么

背景情况:

  • 对时空数据的预测建模对于理解复杂系统至关重要.
  • 现有的方法通常依赖于预先规定的参数模型,限制它们捕捉非线性结构的能力.
  • 解释时空数据需要有效地探索空间和时间的模式和趋势的方法.

研究的目的:

  • 开发一种用于预测建模和解释时空数据的新方法.
  • 为了捕捉非线性平均结构而不依赖预先规定的参数模型.
  • 强调在数据中探索几何信息,以增强理解.

主要方法:

  • 开发了一种监督的尺寸缩小方法.
  • 采用双向估计 (PDE) 方法来识别空间模式和时间趋势.
  • 通过结合 kriging 来估计无法解释的随机效应,PDE 方法被增强为 PDE +.

主要成果:

  • 拟议的PDE+方法显示了预测准确度的提高.
  • 该方法提高了时空模型的可解释性.
  • 模拟和现实应用表明,PDE+对于探索和解释时空数据模式和趋势是有效的.

结论:

  • PDE+方法为分析时空数据提供了一个强大的工具.
  • 这种方法有效地将预测与数据探索和解释相结合.
  • 这项研究强调了几何信息在理解复杂的时空动态方面的有用性.