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  • Justin Blasongame
    started a topic Fan Chart (line chart + area)

    Fan Chart (line chart + area)

    I'm trying to replicate a fan chart which shows a line along with +/- 1 and 2 standard errors. For context, this is an impulse response function. I've tried to replicate something similar (pictured below), but I'm still not getting a clean result. I'm open to any suggestions (I'm using Stata 15.1).

    Here's my data.

    Code:
    * Example generated by -dataex-. To install: ssc install dataex
    clear
    input double hs float(period onese_plus onese_minus twose_plus twose_minus)
           0  1        0        0        0        0
     -.03425  2  -.02674  -.04176  -.01923  -.04927
    -.044065  3 -.034615 -.053515 -.025165 -.062965
    -.041269  4 -.030819 -.051719 -.020369 -.062169
      -.0446  5  -.03301  -.05619  -.02142  -.06778
    -.042902  6 -.030302 -.055502 -.017702 -.068102
    -.034948  7 -.021638 -.048258 -.008328 -.061568
    -.029566  8 -.015646 -.043486 -.001726 -.057406
    -.023311  9 -.009291 -.037331  .004729 -.051351
    -.018024 10 -.003854 -.032194  .010316 -.046364
    end
    Here's what I've tried
    Code:
    twoway line hs period, color(red)   lwidth(thick) || ///
                  rarea   onese_plus    onese_minus period,  fcolor(red%10)  lcolor(white)|| ///
                  rarea   twose_plus     twose_minus period, fcolor(red%50)  lcolor(white) ///
                    xtitle("Quarters") legend(region(lcolor(white)))
    Here's a similar result I would like to achieve with the data I have.


    Click image for larger version

Name:	fanchart2.png
Views:	1
Size:	7.0 KB
ID:	1482488


  • Justin Blasongame
    replied
    Thanks, Scott.

    Leave a comment:


  • Scott Merryman
    replied
    The scheme is 538w

    Code:
    . ssc desc g538schemes
    
    --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    package g538schemes from http://fmwww.bc.edu/repec/bocode/g
    --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
    
    TITLE
          'G538SCHEMES': module to provide graphics schemes for http://fivethirtyeight.com

    Leave a comment:


  • Justin Blasongame
    replied
    That looks great. Thanks for your help, Scott. May I ask what scheme you're using?

    Leave a comment:


  • Scott Merryman
    replied
    You need to have the outer band drawn last:

    Code:
    twoway line hs period, color(red)   lwidth(thick) || ///
                  rarea   onese_plus    onese_minus period,  fcolor(red%50)  lcolor(white)|| ///
                  rarea   twose_plus     twose_minus period, fcolor(red%10)  lcolor(white) ///
                    xtitle("Quarters")   /// 
                    legend(order(1 "Forecast" 2 "Forecast +/- SE"  3 "Forecast +/- 2SE") pos(6) row(1))
    Click image for larger version

Name:	Graph.png
Views:	1
Size:	39.0 KB
ID:	1482546

    Leave a comment:

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