landplants                package:ape                R Documentation

_G_e_n_e _T_r_e_e _o_f _3_6 _L_a_n_d_p_l_a_n_t _r_b_c_L _S_e_q_u_e_n_c_e_s

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

     This data set describes a gene tree estimated from 36 landplant
     _rbc_L sequences.

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

     data(landplants.newick)

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

     'landplants.newick' is a string with the tree in Newick format.

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

     This tree is described in Sanderson (1997) and is also  a data
     example in the software package r8s (<URL:
     http://ginger.ucdavis.edu/r8s/>).

_R_e_f_e_r_e_n_c_e_s:

     Sanderson, M. J. (1997) A nonparametric approach to estimating
     divergence times in the absence of rate constancy. _Molecular
     Biology and Evolution_, *14*, 1218-1231.

_S_e_e _A_l_s_o:

     'chronogram', 'ratogram', 'NPRS.criterion'.

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

     library(ape)

     # example tree in NH format (a string)
     data("landplants.newick") 
     landplants.newick

     # get corresponding phylo object
     tree.landplants <- read.tree(text = landplants.newick)

     # plot tree
     plot(tree.landplants, label.offset = 0.001)

