Data.table

YalPak_Rtip

Convert a molten data table into an data table (array type)

Input

                       Species                           ID       Var1 Var2         Val                   Group      Print_name

    1: Dendronephthya_gigantea g30906.t1.cds@g30906@000029F CDS_length Full 2.01600e+03 Non-symbiotic_cnidarian Carnation_coral
    2: Dendronephthya_gigantea g14782.t1.cds@g14782@000108F CDS_length Full 4.02000e+02 Non-symbiotic_cnidarian Carnation_coral
    3: Dendronephthya_gigantea   g9986.t1.cds@g9986@000064F CDS_length Full 8.40000e+02 Non-symbiotic_cnidarian Carnation_coral
    4: Dendronephthya_gigantea   g1279.t1.cds@g1279@000024F CDS_length Full 8.58000e+02 Non-symbiotic_cnidarian Carnation_coral

    5: Dendronephthya_gigantea   g9325.t1.cds@g9325@000042F CDS_length Full 8.61000e+02 Non-symbiotic_cnidarian Carnation_coral

Code

dcast(dt, ID ~ Var1, value.var = "Val")

Output

                                 ID CDS_length      FPKM

    1:       g10.t1.cds@g10@000002F       1185 30.363500
    2:     g100.t1.cds@g100@000002F        696  0.959006
    3:   g1000.t1.cds@g1000@000011F        660  0.000000
    4: g10000.t1.cds@g10000@000064F       1074  0.278465

    5: g10001.t1.cds@g10001@000064F        522  0.962268