Sentences with phrase «average variance explained»

Not exact matches

In comparing the results of the Program for International Student Assessment in 65 countries, OECD researchers found that differences among countries grade - retention trends could explain up to 15 percent of the variance among average scores on the 2009 PISA.

In 2012, one of my graduate students and I explored this question using data of 191 high schools in Connecticut and found that multiple linear regressions revealed that 69 % of the difference (variance) in a school's average student achievement can be explained by the percentage of students living in poverty.

This is likely because we maximized the covariance between the sea ice field and the atmospheric circulation by restricting our time averaging to the seasonal mean and restricting our spatial domain to 0 ° — 180 ° W and 30 ° — 75 ° S. Inevitably, indices calculated from local data will explain more local variance than those based on remote data.