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About PDF Plot

The Probability Density Function (PDF) plot is a lin-lin plot that counts the number of failures (or any other data) between certain time periods, creating a curve fit that estimates how many failures(failure data or any other data) you can expect to occur at a given point of time. This plot shows Probability vs. time. The term Probability is used here with failure data to describe the percent of the population that failed at the particular value of time (t). A PDF plot helps you to answer a question such as, "What is the chance of a member of the population failing at exactly the time in question?"

Note: Interaction with charts is not available on touch-screen devices.

Graph Features

While accessing a PDF plot, you can:

• Hover or tap on any datapoint to view the coordinates and the details of a datapoint.
  • For an Estimated datapoint, you can view the type of distribution, the distribution parameters, and the value of R-Squared.
  • For an Observed datapoint, you can view the name and the value of Variable.
• Click or double-tap on any observed datapoint to view the data on the Distribution Data window.
• Censor a datapoint.
• Customize the appearance of the plot by using standard graph features.

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