peaks              package:MetaNetwork              R Documentation

_E_x_a_m_p_l_e _p_e_a_k _d_a_t_a

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

     Example matrix of mass/charge peaks (column1) for each trait
     (rownames) that accompanies the untargeted 'traits2' metabolite
     abundance dataset from Arabidopsis thaliana:


     > data(peaks2)
     > peaks2[1:5,] 

                   MassOverCharge
       LCavg.1539             378
       LCavg.1549             379
       LCavg.1555             753
       LCavg.1570             424
       LCavg.1610             436

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

     data(peaks2)

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

     20 rows of peaks with mass over charge values (column 1) for
     example data set 'traits2'.

_A_u_t_h_o_r(_s):

     Jingyuan Fu <j.fu@rug.nl>,  Morris Swertz <m.a.swertz@rug.nl>, 
     Ritsert Jansen <r.c.jansen@rug.nl>

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

     Keurentjes JJB, FU J, de vos CHR, Lommen A, Hall RD, Bino RJ, van
     der Plas LHW, Jansen RC, Vreugdenhil D and Koornneef M. The
     genetics of plant metabolism. Nature Genetics (2006) 7: 842-849.

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

     Fu J, Swertz MA, Keurentjes JJB, Jansen RC. MetaNetwork: a
     computational tool for the  genetic study of metabolism. Nature
     Protocols (2007). 

     <URL: http://gbic.biol.rug.nl/supplementary/2007/MetaNetwork>

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

     Use 'MetaNetwork' for automated analysis of this data set as part 
     a genetic analysis protocol on metabolites.
      Use 'findMultiplePeaks' to relate multiple peaks per metabolite.

