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From |
Nick Cox <n.j.cox@durham.ac.uk> |

To |
"'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu> |

Subject |
st: RE: RE: RE: Graphing: How to suppress labels on second y axis |

Date |
Thu, 30 Sep 2010 18:04:25 +0100 |

Two small points. It's a smidgen quicker and shorter to write sum `lev'normalized, meanonly replace alert`lev'= alert`lev'* r(max) /*adjusts alert to maximum value in line plot */ 1. -su, meanonly- despite its name yields the maximum (and some other stuff you can ignore). This is discussed at excruciating length in SJ-7-3 st0135 . . . . . . . . . . . Stata tip 50: Efficient use of summarize . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . N. J. Cox Q3/07 SJ 7(3):438--439 (no commands) tip on using the meanonly option of summarize to more quickly determine the mean and other statistics of a large dataset 2. The business of putting r(max) in a local, and then reading from the local, can be shortened. This has been called "cutting out the middle macro". Nick n.j.cox@durham.ac.uk McDermaid, Cameron I've made a tweak to Nick's suggestion below. One rationale for using 2 axes was that the primary Y axis is one scale that can vary with the data and the second Y axis is fixed from 0 -1 . Using Nick's suggested script below uses the alert's actual value (missing, 1) is plotted on the primary Y axis and is often out of scale as to be not easily seen, depending on the line graph data. What I've done is adjust the alert value (1) to the maximum value of the data in the line plot then back to 1 once the plot is done. e.g. quietly: sum `lev'normalized local maxval: display `r(max)' replace alert`lev'= alert`lev'*`maxval' /*adjusts alert to maximum value in line plot */ do the plot with || dropline `lev'normalized adm_date if alert`lev'<., ms(i) replace alert`lev'=alert`lev'/`maxval' /*adjusts back to 1 for the next plot loop*/ This seems to be working. Thanks again to Nick for a kick in the right direction. * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**Follow-Ups**:**st: RE: Graphing: How to suppress labels on second y axis***From:*"McDermaid, Cameron" <Cameron.McDermaid@ottawa.ca>

**st: RE: Graphing: How to suppress labels on second y axis***From:*"McDermaid, Cameron" <Cameron.McDermaid@ottawa.ca>

**References**:**st: Graphing: How to suppress labels on second y axis***From:*"McDermaid, Cameron" <Cameron.McDermaid@ottawa.ca>

**st: RE: Graphing: How to suppress labels on second y axis***From:*Nick Cox <n.j.cox@durham.ac.uk>

**st: RE: RE: Graphing: How to suppress labels on second y axis***From:*Nick Cox <n.j.cox@durham.ac.uk>

**st: RE: Graphing: How to suppress labels on second y axis***From:*"McDermaid, Cameron" <Cameron.McDermaid@ottawa.ca>

**st: RE: RE: Graphing: How to suppress labels on second y axis***From:*"McDermaid, Cameron" <Cameron.McDermaid@ottawa.ca>

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