weak predictive power
[/wiːk prɪˈdɪktɪv ˈpaʊər/]
noun phrase
fraco poder preditivo
1. limited ability of a model, variable, or indicator to accurately forecast or anticipate future outcomes or results
The economic indicator showed weak predictive power for stock market movements.
O indicador econômico mostrou fraco poder preditivo para os movimentos do mercado de ações.
2. insufficient capacity of a statistical or analytical tool to explain or predict variation in dependent variables
The regression model had weak predictive power with an R-squared value of only 0.15.
O modelo de regressão tinha fraco poder preditivo com um valor de R-quadrado de apenas 0,15.
This is technical terminology commonly used in academia, finance, data science, and economics in both Brazil and the USA. In Brazilian universities and financial institutions, it appears frequently in research papers, statistical reports, and business analytics discussions. The phrase is formal and specialized, rarely appearing in casual conversation.
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