“R-Squared” [Coefficient of Determination] Defined

By Dr. David Edward Marcinko MBA MEd CMP™

SPONSOR: http://www.MarcinkoAssociates.com

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R-squared is an investment portfolio performance and risk measure that indicates how much of a portfolio’s performance fluctuations were attributable to movements in the portfolio’s benchmark index. R-squared can range from 0-100%.

CITE: https://www.r2library.com/Resource/Title/0826102549

IOW: R Squared, also known as the coefficient of determination, is a statistical measure used in the context of regression analysis. It represents the proportion of the variance in the dependent variable that is predictable from the independent variable(s). Essentially, it provides a measure of how well the observed outcomes are replicated by the model, based on the proportion of total variation of outcomes explained by the mode

For example, an R-squared of 100% indicates that all portfolio performance movements were attributable to movements in the benchmark index—they correlate perfectly to the benchmark.

Conversely, an r-squared of 0% indicates that there is no correlation between the performance movements of the portfolio and the benchmark.

Cite: http://www.CertifiedMedicalPlanner.org

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PHYSICIANS: Career Change Conundrum

By Dr. David Edward Marcinko MBA MEd CMP™

SPONSOR: https://marcinkoassociates.com/process-what-we-do/

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Half of Physicians Plan to Change Career Paths

The Physicians Foundation conducted a survey on physician practice patterns and perspectives a few years ago. Here are some key findings from the report:

• 31% of physicians identify as independent practice owners or partners.
• Almost half (47%) of physicians plan to change career paths.
• 78% of physicians sometimes, often or always experience feelings of burnout.
• Nearly a quarter of physician time is spent on non-clinical paperwork.

This result is not good for Medicine.

Cite: The Physicians Foundation, September 2018

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HFRI: Fund of Funds Composite Index

By Dr. David Edward Marcinko MBA MEd

SPONSOR: http://www.MarcinkoAssociates.com

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HFRI: Fund of Funds invests with multiple managers through funds or managed accounts. The strategy designs a diversified portfolio of managers with the objective of significantly lowering the risk (volatility) of investing with an individual manager.

CITE: https://www.r2library.com/Resource/Title/0826102549

The Fund of Funds manager may allocate funds to numerous managers within a single strategy, or with numerous managers in multiple strategies. The investor has the advantage of diversification among managers and styles with significantly less capital than investing with separate managers.

HFRI: https://hfr-wp-s3.s3.amazonaws.com/wp-content/uploads/2024/03/05142042/HFRI_formulaic_methodology.pdf

The HFRI Fund of Funds Index is not included in the HFRI Fund Weighted Composite Index.

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Recent Court Actions Provide Insight into Future of Fraud & Abuse Laws

By Health Capital Consultants, LLC

Two recent court actions may serve as harbingers for the future of healthcare fraud and abuse laws. In September 2024, a federal judge in the Southern District of West Virginia ordered parties in a qui tam False Claims Act and Stark Law case to brief the court on the implications of Loper Bright Enterprises v. Raimondo on the interpretation of the Stark Law to the case at hand.

That same month, a federal judge in the Middle District of Florida dismissed a qui tam lawsuit on a novel theory that the False Claims Act’s whistleblower provisions are unconstitutional.

This Health Capital Topics article discusses these cases and the potential impact on federal fraud and abuse laws. (Read more…)

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