dplyr Databases

Link and Query


  1. Connect to portal_mammals.sqlite as object portaldb using dplyr.
  2. Start by reminding yourself about which tables are in the database using src_tbls()
  3. Then remind yourself of the fields in the surveys and plots tables using the list subset operator $ops$vars.
  4. Select and print out the average hind foot length and average weight of:
    • all Dipodomys spectabilis individuals on the control plots
    • male D. spectabilis on the control plots
    • female D. spectabilis on the control plots