Original sentence: A typical waterfall chart shows how an initial value is increased and decreased by a series of intermediate values, leading to a final value.Also known as Flying Bricks Chart due to the apparent suspension of the column (brick) in mid-air.An invisible column keeps the increases and decreases linked to the heights of the previous columns
Edited sentence: <ref>Second base with charts: Understanding the Waterfall chart.A waterfall chart can be used for analytical purposes, especially for understanding or explaining the gradual transition in the quantitative value of an entity which is subjected to increment or decrement.A waterfall chart helps in visualizing the cumulative effect of sequential additions or subtractions - on an initial numeric value.For instance, it can be used for visualizing the profit/loss which results from summation of revenue coming in from different sources and subsequent decrement of all expenses.FusionCharts Blog Retrieved August 6, 2009.Hence, they are ideally suited for presentations.It is also known as Flying Bricks Chart due to the apparent suspension of columns (brick) in mid-air.Only the start and end value is represented by a whole columns.Second base with charts: Understanding the Waterfall chart FusionCharts Blog.So, essentially a waterfall chart shows how an initial value is increased or decreased by a series of intermediate values – thereby, leading to a final value.The intermediate values are represented by floating columns which are color coded to represent addition or subtraction.They can be utilized for explaining any phenomenon which involves sequential increments or decrements.Waterfall charts are devices that aid in explaining data