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. Author manuscript; available in PMC: 2010 May 15.
Published in final edited form as: Comput Stat Data Anal. 2009 May 15;53(7):2446–2452. doi: 10.1016/j.csda.2008.11.028

Figure 1.

Figure 1

Log relative error (LRE) plotted against the x supplied to the CDF call of the tested numerical libraries to obtain the upper tail P{X>=x} for the Chi-square distribution with df=1.