There is no comprehensive information available regarding
the exact types of papers offered by the essay writers, and the pricing schedule is a little bit awkward with higher proficiency level writings being actually cheaper than a lower quality writing service.
With every
paper, it is important to understand the
exact application, connection to policy, stakeholders,
type of data (see Coombs» classic Theory
of Data) and method, i.e. which quantitative method is used and whether it's supervised or unsupervised learning methodology.