Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Interpreting ¹H NMR Signal Splitting: The (n + 1) Rule

Interpreting ¹H NMR Signal Splitting: The (n + 1) Rule

In the AX proton spin system, proton A can sense the two spin states of a coupled proton X, resulting in a doublet NMR signal with two peaks of equal (1:1) intensity. When proton A is coupled to two equivalent protons (AX2 spin system), the spin states of each X can be aligned with or against the external field, creating three possible scenarios. This results in a 1:2:1 triplet signal, where the central peak corresponds to the chemical shift of A and is twice as large or intense as the...

Partial Fractions

Partial Fractions

A partial fraction is a component of a rational expression represented as the sum of simpler fractions. When a rational function is expressed as a ratio of two polynomials, it can often be decomposed into a sum of fractions whose denominators are simpler polynomials, typically linear or irreducible quadratic factors. This process is called partial fraction decomposition, and it is used to simplify complex expressions for integration, solving equations, or analysis.Partial fraction decomposition...

¹H NMR: Complex Splitting

¹H NMR: Complex Splitting

A proton M that is coupled to a proton X results in doublet signals for M. However, NMR-active nuclei can be simultaneously coupled to more than one nonequivalent nucleus. When M is coupled to a second proton A, such as in styrene oxide, each peak in the doublet is split into another doublet.
Splitting diagrams or splitting tree diagrams are routinely used to depict such complex couplings. While drawing splitting diagrams, the splitting with the larger coupling constant is usually applied...

Even and Odd Signals

Even and Odd Signals

An even signal, whether in continuous-time or discrete-time, is defined by its symmetry with its time-reversed version. Mathematically, this is represented as

Synthetic Disvision of Polynomials

Synthetic Disvision of Polynomials

Synthetic division is an efficient algorithmic approach for dividing a polynomial by a linear binomial of the form x - c, where c is a real number. This method is helpful due to its streamlined process, which avoids the more cumbersome steps involved in the traditional long division of polynomials. It simplifies computation and serves as a practical tool for evaluating polynomials and identifying their factors.To perform synthetic division, one begins by listing the coefficients of the...

Downsampling

Downsampling

When considering a sampled sequence with zero values between sampling instants, one can replace it by taking every N-th value of the sequence. At these integer multiples of N, the original and sampled sequences coincide. This process, known as decimation, involves extracting every N-th sample from a sequence, thereby creating a more efficient sequence.
The Fourier transform of the decimated sequence reveals a combination of scaled and shifted versions of the original spectrum. This...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Raking A Garden Factor Solution.

Multivariate behavioral research·2016

Same author

Complexity And Simplicity As Objective Indices Descriptive Of Factor Solutions.

Multivariate behavioral research·2016

Same author

The Orthotran Solution.

Multivariate behavioral research·2016

Same author

Brief Report: On the Proportionate Contributions of Transformed Factors to Common Variance.

Multivariate behavioral research·2016

Same author

Early diagnosis of tuberculosis in adolescents.

British medical journal·2010

Same author

A STUDY OF THE CRYSTALLINE SILICEOUS MINERALS PRESENT IN SILICOTIC LUNGS BY THE X-RAY DIFFRACTION METHOD.

Canadian Medical Association journal·2010

Same journal

Bayesian Machine Learning Tools for Alcohol Use Disorder Research: The bpaup R Package.

Multivariate behavioral research·2026

Same journal

A Unified Framework for Jointly modelling Response Times and Item Position Effects in Computer-Based Learning Assessments.

Multivariate behavioral research·2026

Same journal

Generalizability Theory Applied to Daily Relationship Quality: Substantive and Statistical Directions.

Multivariate behavioral research·2026

Same journal

A Modularized Higher-Order Diagnostic Classification Model for Clustered Attribute Hierarchies.

Multivariate behavioral research·2026

Same journal

Generalizing Causal Effects to a Target Population Without Individual-Level Data from the Target Population.

Multivariate behavioral research·2026

Same journal

betaselectr: Selective (and Proper) Standardization in Structural Equation Models.

Multivariate behavioral research·2026

See all related articles

Search research articles

Related Experiment Video

Updated: Mar 26, 2026

Fixed Target Serial Data Collection at Diamond Light Source

Fixed Target Serial Data Collection at Diamond Light Source

Published on: February 26, 2021

On Partialing A Simplex Out Of Binary Data.

R J Hofmann, W M Gray

Multivariate Behavioral Research

|January 23, 2016

Summary

This summary is machine-generated.

Horst's simplex partialing procedure can worsen factor recovery in binary data matrices. Applying this method may lead to less accurate results than not using it.

More Related Videos

Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique

Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique

Published on: July 5, 2024

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Published on: March 18, 2019

Related Experiment Videos

Last Updated: Mar 26, 2026

Fixed Target Serial Data Collection at Diamond Light Source

Fixed Target Serial Data Collection at Diamond Light Source

Published on: February 26, 2021

Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique

Swin-PSAxialNet: An Efficient Multi-Organ Segmentation Technique

Published on: July 5, 2024

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Generating Strictly Controlled Stimuli for Figure Recognition Experiments

Published on: March 18, 2019

Area of Science:

Psychometrics
Data Analysis

Background:

Factor analysis is a statistical method used to describe variability among observed, correlated variables in terms of a potentially lower number of unobserved variables called factors.
Binary data matrices, consisting of only 0s and 1s, present unique challenges in factor analysis.
Simplex structure is a specific pattern of factor loadings that can occur in certain types of data.

Purpose of the Study:

To evaluate the effectiveness of Horst's procedure for partialing a simplex from binary data.
To compare the factor recovery of binary data matrices with and without the application of Horst's procedure.

Main Methods:

The study utilized four distinct data sets.
Horst's procedure for simplex partialing was applied to binary data matrices derived from these sets.
Factor recovery was assessed by comparing the results obtained with and without the application of the procedure.

Main Results:

The application of Horst's procedure consistently resulted in poorer factor recovery compared to not applying it.
This outcome was observed across all four illustrative data sets analyzed.

Conclusions:

Horst's procedure for simplex partialing is not recommended for binary data matrices.
Researchers should exercise caution when applying this method, as it may negatively impact the accuracy of factor analysis results.