They're often far clearer than 50 overlapping lines in a single chart.
The center has particularly benefited from the new ability to integrate vast amounts of patient information into a single chart stored online.
Most could have been incorporated in a single chart or map showing how many Scots left when, where they came from and where they went.
Unlike many other bands that flamed out after a single chart-buster, Bobby Fuller was not condemned to one-hit wonder status, because he failed to fulfill his early creative promise.
What they have found is that success is still dictated by a very small number of influential individuals, online presence remains no substitute for traditional media exposure, and the margins between success and failure can be as slim as a single chart position decided by a couple of hundred sales.
In one graph, for example, Playfair showed England's exports and imports in a single chart: in the seventeen-fifties, the export line shoots up, and around the middle of the decade it crosses the import line, showing a trade surplus.
But when indicators are measured in completely different units—say, a chart comparing the dollar-mark exchange rate against the dollar-yen rate or movements of stockmarket indices in two different countries putting both lines on a single chart can sometimes be misleading.One solution is to convert each series into an index, with all the indices set at 100 for a common starting year.
The gas gravity method is simple, involving only a single chart.
But for other businesses, those studies might just end with a single chart or predictive analysis report.
For this purpose design charts of FT R,S) and FT R,G) are developed and superimposed to create a single chart for each flow configuration.
