No problem, it just seemed like your method was way more complicated and i was wondering if there was some scientific reason that rinsing made a difference.
Rice is polished to remove the outer layers on the grains. Rinsing rice is performed to wash away the talc left over from polishing. Most rice available today no longer needs to be rinsed, however most Japanese families I know here rinse their rise before cooking.
Standard measuring practice in these same families is to extend an index finger and put the tip of your finger on the bottom of the rice pot. Fill the pot with rice until it reaches your first knuckle, then fill with water until it reaches your second knuckle. Put on the pot cover and press the start button.
Quality sake is made from highly polished rice. The higher the degree of polishing the higher the quality of sake.