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Speaking Stata: Transforming the time axis


  • Nicholas J. Cox

    () (Durham University, UK)


The time variable is most commonly plotted precisely as recorded in graphs showing change over time. However, if the most interesting part of the graph is very crowded, then transforming the time axis to give that part more space is worth consideration. In this column, I discuss logarithmic scales, square root scales, and scale breaks as possible solutions. Copyright 2012 by StataCorp LP.

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  • Nicholas J. Cox, 2012. "Speaking Stata: Transforming the time axis," Stata Journal, StataCorp LP, vol. 12(2), pages 332-341, June.
  • Handle: RePEc:tsj:stataj:v:12:y:2012:i:2:p:332-341
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    References listed on IDEAS

    1. Nicholas J. Cox, 2008. "Stata tip 59: Plotting on any transformed scale," Stata Journal, StataCorp LP, vol. 8(1), pages 142-145, February.
    2. James A. Field, 1917. "Some Advantages of the Logarithmic Scale in Statistical Diagrams," Journal of Political Economy, University of Chicago Press, vol. 25, pages 805-805.
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