Final answer:
Using software that allows you to add items is important for accurate analysis of food-intake data, as it helps track and calculate specific nutrition factors.
Step-by-step explanation:
Using software that allows you to add items is important when analyzing food-intake data because it helps you track and record the specific foods you consume. This allows for more accurate analysis of your nutrient and energy intake. For example, if you have a software that allows you to add items and input the quantity and quality of the foods you eat, you can calculate important nutrition factors like calorie intake, macronutrient percentages, and vitamin and mineral levels.