Sentence examples for model specification suggest from inspiring English sources
The limited time frame of analysis and sensitivity of results to model specification suggest that further investigation is warranted to verify our results before basing policy on these findings.
The results for the outpatient access models are less consistent, with some model specifications indicating a reduction in access associated with opt-out status, while other model specifications suggesting no discernable change in access.
The difference between the coefficient of determination (R-squared) and adjusted R-squared is very small, which suggests very good model specification (that is, no omitted or unnecessary variables in the model).
As will be shown below, the results for both employment and average hours are rather sensitive to these slightly different specifications, suggesting that modelling the dynamic effects of STW is very important.
The point estimate for the coefficient of the onsite MRI variable in each of these alternative regression model specifications is negative, which suggests the change in Medicare MRI volume for providers in MRI practices was lower than the change for non-MRI practices over the same time period, but all of the estimated coefficients are small in magnitude and not statistically significant (p > 0.05).
We suggest that analysts should focus attention on improving propensity score model specification and rely less on weight trimming to optimize propensity score weighting.
Our results suggest that model averaging does not dominate other well designed prediction model specification methods, and that using "hybrid" combination factor/shrinkage methods often yields superior predictions.
An association with area-mean radon concentration was suggested, although the strength of statistical evidence was sensitive to model specification.
We followed the algorithm suggested by Dehejia and Wahba [ 38, 39] to find the best model specification.
Professor David Ley, who has been at the forefront of porn addiction critique, has savaged this flimsiness of research, suggesting it is "hindered by poor experimental designs, limited methodological rigor and lack of model specification".
