Forecasting in the pharmaceutical industry is an essential task for companies. While firms have long used Excel-based models to conduct forecasts, those models are outdated and unsuited for the sheer amount of data currently available, maintain industry experts who point out that multiple Web-based options exist. In order to give an accurate picture that’s useful for everyone from executives to sales teams, forecasters should create a model that offers detailed segmentation of the market. Doing this is easier said than done, but strategies exist to help evaluate the different options.