treering              package:datasets              R Documentation

_Y_e_a_r_l_y _T_r_e_e_r_i_n_g _D_a_t_a, -_6_0_0_0-_1_9_7_9

_D_e_s_c_r_i_p_t_i_o_n:

     Contains normalized tree-ring widths in dimensionless units.

_U_s_a_g_e:

     treering

_F_o_r_m_a_t:

     A univariate time series with 7981 observations. The object is of
     class '"ts"'.

     Each tree ring corresponds to one year.

_D_e_t_a_i_l_s:

     The data were recorded by Donald A. Graybill, 1980, from  Gt Basin
     Bristlecone Pine 2805M, 3726-11810 in Methuselah Walk, California.

_S_o_u_r_c_e:

     Time Series Data Library: <URL:
     http://www-personal.buseco.monash.edu.au/~hyndman/TSDL/>, series
     'CA535.DAT'

_R_e_f_e_r_e_n_c_e_s:

     For background on Bristlecone pines and Methuselah Walk, see <URL:
     http://www.sonic.net/bristlecone/>; for some photos see <URL:
     http://www.ltrr.arizona.edu/~hallman/sitephotos/meth.html>

