Handling financial data
Although gnuplot was originally envisioned as a scientist's companion, it has proven to be a worthy and reliable friend to financial analysts. Financial plotting comes with its own set of complex problems, some of which we'll have to defer to later chapters; in the following figure, we illustrate the basic financial plotting style:
This type of plot will be familiar to you if you follow the stock market.
Getting ready
Sample financial data is essential for illustrating financial plotting. Fortunately, the gnuplot distribution comes with an appropriate sample datafile. In case you don't have it, we have provided a copy called ...
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