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.
If you do want to indulge in a finger food or two, look for cut veggies with salsa and fresh fruit. And here's a tip that'll make it easier to avoid those starters: Eat a healthy breakfast (like these no-cook morning meals) or a light lunch, depending on the time of the event before you hit up the BBQ.