mogene10sttranscriptclusterCHRpackage:mogene10sttranscriptcluster.dbR Documentation

_M_a_p _M_a_n_u_f_a_c_t_u_r_e_r _I_D_s _t_o _C_h_r_o_m_o_s_o_m_e_s

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

     mogene10sttranscriptclusterCHR is an R object that provides
     mappings between a manufacturer identifier and the chromosome that
     contains the gene of interest.

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

     Each manufacturer identifier maps to a vector of chromosomes. Due
     to inconsistencies that may exist at the time the object was
     built, the vector may contain more than one chromosome (e.g., the
     identifier may map to more than one chromosome). If the
     chromosomal location is unknown, the vector will contain an 'NA'.

     Mappings were based on data provided by: Entrez Gene (
     ftp://ftp.ncbi.nlm.nih.gov/gene/DATA ) on 2009-Mar11

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

             x <- mogene10sttranscriptclusterCHR
             # Get the probe identifiers that are mapped to a chromosome
             mapped_probes <- mappedkeys(x)
             # Convert to a list
             xx <- as.list(x[mapped_probes])
             if(length(xx) > 0) {
               # Get the CHR for the first five probes
               xx[1:5]
               # Get the first one
               xx[[1]]
             }

