findMZBoxes-methods           package:xcms           R Documentation

_F_i_n_d _a_r_e_a_s _o_f _h_i_g_h _p_e_a_k _d_e_n_s_i_t_y _i_n  _L_C/_M_S _D_a_t_a

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

_A_r_g_u_m_e_n_t_s:

  object: 'xcmsRaw-class' object

massrange: Not implemented.

scanrange: scan range to check for peaks

     dev: maximum width of m/z box in ppm

minEntries: minimum number of peaks(centroids) within the range of
          'dev' ppm

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

     Areas of high peak density (characterised by having at least
     'minEntries' peaks within 'dev' ppm in consecutive scans) in the
     LC/MS map are located.

_V_a_l_u_e:

     A list with entries :

    scan: scan number 

      mz: m/z values 

intensity: intensity values 

_M_e_t_h_o_d_s:

     _o_b_j_e_c_t = "_x_c_m_s_R_a_w" ' findMZBoxes(object, massrange=c(0.0,0.0),
          scanrange=c(1,length(object@scantime)), dev, minEntries) '

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

     Ralf Tautenhahn, rtautenh@ipb-halle.de

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

     'findPeaks.centWave' 'xcmsRaw-class'

