hudsonia               package:popbio               R Documentation

_P_r_o_j_e_c_t_i_o_n _m_a_t_r_i_c_e_s _f_o_r _m_o_u_n_t_a_i_n _g_o_l_d_e_n _h_e_a_t_h_e_r

_D_e_s_c_r_i_p_t_i_o_n:

     Projection matrices for the mountain golden heather (_Hudsonia
     montana_) for the years 1985 through 1988

_U_s_a_g_e:

     data(hudsonia)

_F_o_r_m_a_t:

     A list of 4 matrices from 1985-1988

_D_e_t_a_i_l_s:

     A projection matrix with 6 size classes: seeds, seedlings, and 4
     size classes divided by plant area.

_S_o_u_r_c_e:

     Table 6.7 in Morris and Doak (2002), Quantitative Conservation
     Biology.  The original data is from Frost (1990).

_E_x_a_m_p_l_e_s:

     data(hudsonia)

     lapply(hudsonia, function(x){Re(eigen(x)$values[1])})

