Put another way, R-square is the square of the correlation between the response values and the predicted response values. It is also called the square of the multiple correlation coefficient and the coefficient of multiple determination.
You should introduce finger foods when you feel that your baby is ready; this may be at 7 months or at 10 months old. Read Grating Foods for Baby for more ideas on how to create baby finger foods and visit our Baby Finger Food Recipes & Finger Food Ideas.
Baby Food 101 your baby food guide. Watermelon can be a great first finger food, because it has a soft consistency, but baby can still pick it up. It doesn't have much in it other than water, but it is great on a hot day. Look for seedless watermelon, and sometimes you can find it in containers already cut up (a great time saver!).