Answer:
internal and external data
Step-by-step explanation:
Big Data analysis can be regarded as one that contains massive amounts of data as well as complex analysis.
Internal data can be regarded as information that is been generated from within the business these could contains some areas like operations as well as maintenanc and personnel.
External data on other hands are attributed to the market, as well as from customers and from the firms competitors, it could be gotten from survey. All for increasing profitability.