Eric Pedersen eric-pedersen
eric-pedersen
/ extr2.R
Last active
May 29, 2020 18:51
— forked from dill/extr.R
Forecasting with B-splines
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| # extrapolating into the future with B-splines | |
| # based on code in ?smooth.construct.bs.smooth.spec | |
| library(mgcv) | |
| # annual diameter of women’s skirts at the hem 1866 to 1911 | |
| # Hipel and McLeod, 1994 | |
| skirts <- scan("http://robjhyndman.com/tsdldata/roberts/skirts.dat",skip=5) | |
| skirtseries <- data.frame(year=1866:1911, diam=skirts) |
eric-pedersen
/ extr-varying-starts.R
Last active
May 30, 2020 17:38
— forked from dill/extr.R
Forecasting with B-splines
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| library(mgcv) | |
| # annual diameter of women’s skirts at the hem 1866 to 1911 | |
| # Hipel and McLeod, 1994 | |
| skirts <- scan("http://robjhyndman.com/tsdldata/roberts/skirts.dat",skip=5) | |
| skirtseries <- data.frame(year=1866:1911, diam=skirts) | |
| # prediction grid | |
| pd <- data.frame(year=seq(1864, 1960, by=1)) |