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: , series
'CA535.DAT'
_R_e_f_e_r_e_n_c_e_s:
For background on Bristlecone pines and Methuselah Walk, see ; for some photos see