X13-ARIMAによる季節調整値をggplotでプロットするパッケージ {ggseas}が紹介されています

Reference - https://twitter.com/Rbloggers/status/696746657417834496
(注意)本サンプルで利用しておりますパッケージ{seasonal}のバージョンは0.80.0、X13-ARIMAの実行ファイルは https://www.census.gov/srd/www/x13as/x13down_pc.html からダウンロードしています。
library(ggseas)
library(lubridate)
library(dplyr)
head(dataset);tail(dataset)

ggplot(dataset,aes(x=dataset[,1],y=dataset[,2]))+
  geom_line(colour="black")+
  stat_seas(start=c(year(first(dataset[,1])),month(first(dataset[,1]))),frequency=12,colour="red")+
  ggtitle("鉱工業生産指数(出典:経済産業省) 黒:原数値 , 赤:季節調整値(X-13ARIMA)")+xlab("")+ylab("")
sea<-seas(ts(dataset[,2],start=c(2008,1),freq=12))
sea$data
#注)
#{seasonal} seasonal_0.80.0.tar.gz
#https://www.census.gov/srd/www/x13as/x13down_pc.html
#X-13ARIMA-SEATS https://www.census.gov/ts/x13as/pc/x13asall_V1.1_B19.zip
#Sys.setenv(X13_PATH=" path to x13as.exe ")

head(dataset);tail(dataset)
        Date 鉱工業生産指数 原指数
1 2008-01-01                 108.5
2 2008-02-01                 117.0
3 2008-03-01                 125.3
4 2008-04-01                 111.0
5 2008-05-01                 108.7
6 2008-06-01                 115.9
         Date 鉱工業生産指数 原指数
91 2015-07-01                 103.6
92 2015-08-01                  88.9
93 2015-09-01                 102.4
94 2015-10-01                 100.3
95 2015-11-01                  97.7
96 2015-12-01                  98.3

> sea$data
             final  seasonal seasonaladj     trend irregular adjustfac
Jan 2008 116.70670 0.9165298   116.70670 116.93142 0.9980781 0.9296810
Feb 2008 118.85190 0.9544160   118.85190 118.60271 1.0021011 0.9844184
Mar 2008 118.37748 1.0787774   118.37748 118.08473 1.0024791 1.0584784
Apr 2008 115.72188 0.9501290   115.72188 116.19152 0.9959580 0.9591963
May 2008 115.33984 0.9446728   115.33984 114.82581 1.0044766 0.9424324
Jun 2008 112.25848 1.0398196   112.25848 112.58256 0.9971214 1.0324387
Jul 2008 110.26472 1.0541194   110.26472 110.03656 1.0020736 1.0692450
Aug 2008 108.44421 0.9510952   108.44421 108.94782 0.9953775 0.9331987
Sep 2008 109.26511 1.0597614   109.26511 108.70084 1.0051910 1.0698749
Oct 2008 106.35278 1.0354209   106.35278 106.45510 0.9990388 1.0502781
Nov 2008 101.38879 1.0160624   101.38879 100.85749 1.0052678 0.9922202
Dec 2008  92.39188 0.9998121    92.39188  92.50458 0.9987817 1.0141584
Jan 2009  83.77152 0.9165657    83.77152  83.72345 1.0005741 0.9143919
Feb 2009  77.69892 0.9544052    77.69892  78.37495 0.9913744 0.9459591
Mar 2009  78.33282 1.0787356    78.33282  78.35084 0.9997700 1.0761772
Apr 2009  81.00725 0.9501063    81.00725  80.96266 1.0005507 0.9591734
May 2009  83.40214 0.9446092    83.40214  83.41413 0.9998563 0.9268347
Jun 2009  85.07298 1.0397643    85.07298  84.80803 1.0031241 1.0496870
Jul 2009  85.39210 1.0540609    85.39210  85.81052 0.9951238 1.0691856
Aug 2009  88.19951 0.9510066    88.19951  87.89470 1.0034679 0.9331118
Sep 2009  89.84061 1.0595605    89.84061  90.02614 0.9979391 1.0696721
Oct 2009  92.66436 1.0352148    92.66436  92.74464 0.9991344 1.0327596
Nov 2009  95.76616 1.0159182    95.76616  95.35898 1.0042700 1.0087070
Dec 2009  96.23124 0.9998765    96.23124  96.60443 0.9961369 1.0142237
Jan 2010  98.71576 0.9168036    98.71576  98.55449 1.0016364 0.8995524
Feb 2010 100.07569 0.9547327   100.07569  99.83772 1.0023835 0.9462838
Mar 2010  99.49696 1.0790230    99.49696  99.79452 0.9970183 1.0945058
Apr 2010 100.27826 0.9502620   100.27826  99.98207 1.0029624 0.9593306
May 2010  99.36809 0.9446318    99.36809  99.48797 0.9987950 0.9268569
Jun 2010  98.98216 1.0397614    98.98216  99.05520 0.9992626 1.0496841
Jul 2010  99.66302 1.0540433    99.66302  99.67090 0.9999209 1.0515435
Aug 2010 100.88076 0.9509000   100.88076 100.96991 0.9991170 0.9486447
Sep 2010 101.36525 1.0592910   101.36525 100.80137 1.0055940 1.0694000
Oct 2010  98.77482 1.0349146    98.77482  99.51018 0.9926103 1.0154410
Nov 2010 100.65129 1.0156298   100.65129 100.25159 1.0039870 1.0253222
Dec 2010 101.45969 0.9998491   101.45969 101.69972 0.9976399 1.0141959
Jan 2011 103.03439 0.9169536   103.03439 102.88939 1.0014093 0.8996996
Feb 2011 104.06291 0.9549941   104.06291 104.12141 0.9994382 0.9465428
Mar 2011  86.22911 1.0792715    86.22911  86.25860 0.9996581 1.0947579
Apr 2011  88.27550 0.9503827    88.27550  88.47359 0.9977610 0.9436367
May 2011  92.74165 0.9446433    92.74165  92.84479 0.9988891 0.9424029
Jun 2011  97.55348 1.0397580    97.55348  97.01539 1.0055464 1.0496806
Jul 2011  98.72306 1.0540398    98.72306  99.14396 0.9957546 1.0342062
Aug 2011 100.26795 0.9507733   100.26795  99.51028 1.0076140 0.9644159
Sep 2011  98.30288 1.0590380    98.30288  99.21516 0.9908050 1.0691447
Oct 2011 100.27336 1.0346943   100.27336  99.28525 1.0099522 1.0152248
Nov 2011  98.23345 1.0154187    98.23345  99.25514 0.9897064 1.0251090
Dec 2011 101.25149 0.9998876   101.25149 100.49871 1.0074905 0.9975162
Jan 2012 101.42232 0.9171612   101.42232 101.93823 0.9949389 0.9149860
Feb 2012 103.00973 0.9553132   103.00973 102.50882 1.0048865 0.9853438
Mar 2012 102.22357 1.0796116   102.22357 102.57628 0.9965614 1.0770511
Apr 2012 101.60962 0.9505555   101.60962 100.98349 1.0062003 0.9438083
May 2012  98.10068 0.9446446    98.10068  98.83355 0.9925848 0.9581992
Jun 2012  98.61817 1.0396438    98.61817  98.13057 1.0049689 1.0322642
Jul 2012  97.20094 1.0539297    97.20094  97.44951 0.9974493 1.0514301
Aug 2012  96.14218 0.9505575    96.14218  95.90931 1.0024281 0.9641970
Sep 2012  93.91436 1.0587649    93.91436  94.04386 0.9986229 1.0339207
Oct 2012  92.44139 1.0344700    92.44139  92.48385 0.9995409 1.0493135
Nov 2012  92.88362 1.0152497    92.88362  93.28103 0.9957397 1.0249385
Dec 2012  95.09814 0.9999067    95.09814  94.30725 1.0083863 0.9810917
Jan 2013  93.38923 0.9173511    93.38923  94.29048 0.9904418 0.9305141
Feb 2013  96.50400 0.9555673    96.50400  95.88334 1.0064731 0.9471110
Mar 2013  96.64299 1.0798898    96.64299  96.78032 0.9985810 1.0595698
Apr 2013  96.69066 0.9506892    96.69066  96.82240 0.9986393 0.9597618
May 2013  97.16015 0.9446569    97.16015  96.72662 1.0044820 0.9582118
Jun 2013  95.55446 1.0395205    95.55446  96.16569 0.9936440 1.0151279
Jul 2013  97.38613 1.0538195    97.38613  96.92926 1.0047134 1.0689407
Aug 2013  97.14128 0.9503576    97.14128  97.34974 0.9978586 0.9481037
Sep 2013  97.23491 1.0585768    97.23491  97.10827 1.0013041 1.0510628
Oct 2013  97.40834 1.0343496    97.40834  97.66302 0.9973922 1.0491915
Nov 2013  99.01172 1.0151673    99.01172  98.77022 1.0024451 1.0079614
Dec 2013 100.24423 0.9999352   100.24423 100.68081 0.9956638 0.9975637
Jan 2014 103.35921 0.9175685   103.35921 102.75093 1.0059199 0.9307347
Feb 2014 103.23866 0.9557777   103.23866 103.72260 0.9953343 0.9473195
Mar 2014 103.79473 1.0801081   103.79473 103.00612 1.0076559 1.0597841
Apr 2014 100.22245 0.9507911   100.22245 100.94599 0.9928324 0.9598648
May 2014  99.74406 0.9446524    99.74406  99.12772 1.0062177 0.9424120
Jun 2014  96.99094 1.0394332    96.99094  97.55588 0.9942090 1.0320551
Jul 2014  96.92761 1.0537191    96.92761  96.54665 1.0039459 1.0688389
Aug 2014  95.78402 0.9501852    95.78402  96.13884 0.9963093 0.9323058
Sep 2014  96.58056 1.0584371    96.58056  96.43176 1.0015431 1.0685380
Oct 2014  96.93815 1.0342817    96.93815  96.93699 1.0000120 1.0491225
Nov 2014  96.94476 1.0151059    96.94476  96.98103 0.9996260 0.9912861
Dec 2014  98.49353 0.9999319    98.49353  98.91604 0.9957286 1.0142799
Jan 2015 102.34676 0.9176915   102.34676 101.63234 1.0070294 0.9155151
Feb 2015 101.11725 0.9558741   101.11725 101.31787 0.9980199 0.9474150
Mar 2015 100.31147 1.0802053   100.31147 100.48792 0.9982441 1.0776434
Apr 2015 100.31942 0.9508595   100.31942  99.81113 1.0050926 0.9599337
May 2015  97.42418 0.9446498    97.42418  97.94294 0.9947035 0.9268746
Jun 2015  97.58526 1.0394194    97.58526  97.37857 1.0021225 1.0493388
Jul 2015  96.92994 1.0536938    96.92994  96.83438 1.0009869 1.0688132
Aug 2015  95.36236 0.9501116    95.36236  95.57160 0.9978107 0.9322336
Sep 2015  95.83697 1.0583808    95.83697  95.93285 0.9990006 1.0684812
Oct 2015  97.20671 1.0342747    97.20671  96.98117 1.0023256 1.0318217
Nov 2015  96.93516 1.0150956    96.93516  97.03438 0.9989775 1.0078903
Dec 2015  96.91661 0.9999261    96.91661  96.89844 1.0001875 1.0142740

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