JohnsonJohnson           package:datasets           R Documentation

Quarterly Earnings per Johnson & Johnson Share

Description:

     Quarterly earnings (dollars) per Johnson & Johnson share 1960-80.

Usage:

     JohnsonJohnson

Format:

     A quarterly time series

Source:

     Shumway, R. H. and Stoffer, D. S. (2000) _Time Series Analysis and
     its Applications_. Second Edition.  Springer.  Example 1.1.

Examples:

     require(stats); require(graphics)
     JJ <- log10(JohnsonJohnson)
     plot(JJ)
     (fit <- StructTS(JJ, type="BSM"))
     tsdiag(fit)
     sm <- tsSmooth(fit)
     plot(cbind(JJ, sm[, 1], sm[, 3]-0.5), plot.type = "single",
          col = c("black", "green", "blue"))
     abline(h = -0.5, col = "grey60")

     monthplot(fit)

