I like that it is easy enough for beginners, but yet has many advanced features if you are more experienced in data analysis/regression modeling software programs such as R or Python etc..
The interface could be improved with better graphics (color coding). It's hard sometimes when using this tool because there isn't much space between windows so one needs some creativity! This works well at any scale from small projects through large companies - even across multiple countries where we have been able solve problems ranging anywhere up into hundreds of thousands per year!!