In statistics, the coefficient of determination R2 is the proportion of variability in a data set that is accounted for by a statistical model. In this definition, the term variability is defined as the sum of squares. There are equivalent expressions for R2 based on an analysis of variance decomposition.
On average, an ostrich egg weighs about 1.4 Kg (3.1 pounds). On average, an ostrich egg weighs about 1.4 Kg (3.1 pounds).
According to the Mazuri website, an ostrich egg contains 16.29 IU/g vitamin A, while a chicken egg contains 20.5 IU/g. There is an even greater difference in vitamin E content: 39.95 IU/g in a chicken egg but only 15.31 IU/g in an ostrich egg. However, ostrich eggs are a good source of thiamine.