Spread − Spread modeling option allows you to send a value to specific destination cells. This value can be spread equally or weighted by the range of values.

Trend − Trend modeling method allows you to spread a value or a percentage and spread it by a growing factor in destination cells. You place the source value in first destination cell and rest of the cells are fields with increased value by some amount or percentage.

Weighted − It allows you to allocate a set of values by weighted factor in the excel sheets. In this, you select some values, grow them and then allocate the new amount based on weights of selected cells.