أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
Mainly it depends upon the type of problem one wants to analyze. Research must be customer/consumer focused and simple. It can involve big data but small data is better because Big data tells us about the correlation between two things where as small data tells us about Causation between two things.
