52. The non-transitory computer readable storage medium of claim 44 , further comprising instructions that if executed enable the computing system to: present a non-trended report by displaying sentiment aggregated over a non-time data dimension; and wherein the instructions for receiving an instruction to determine the one or more causal factors associated with the observation selected by the user further comprise instructions that if executed enable the computing system to: allow the user to select a specific data dimension value as the observation for investigating causal factors that show at least one of a statistically significant tendency to associate more with positive sentiment rather than negative sentiment and a statistically significant tendency to associate more with negative sentiment rather than positive sentiment.
44. The non-transitory computer readable storage medium of claim 37 , further comprising instructions that if executed enable the computing system to: compute a sentiment on the unstructured text data; and analyze an aggregation of category topics to provide a measure of sentiment.