Retinal detachment occurs when the light-sensing layer inside your eye, the retina, detaches from the underlying pigmented tissue layer that provides it oxygen and nutrients. Retinal detachment can happen spontaneously with no obvious or underlying cause.
Thus, vertical analysis is nothing but the comparative analysis of an economic statement, in which all baseline items on an economic statement are shown as a fraction of a further item.
Content analysis is the analysis of text documents. The analysis can be quantitative, qualitative or both. Typically, the major purpose of content analysis is to identify patterns in text. Content analysis is an extremely broad area of research.