frequency for a dimension sort order

[Aarthi]

what is the result of selecting 'Frequency' for a dimension sort order in qliksense

1. The dimension values will be sorted based on their alphabetical order

2. Frequency is not a valid sorting option in qliksense

3. The dimension values will be sorted based on their frequency of occurance in the data set.

4. The dimension values will be sorted based on their length.