Get account list
ga_accounts()a dataframe of accounts
Other managementAPI functions: ga_adwords_list,
ga_adwords,
ga_custom_vars_list,
ga_custom_vars,
ga_experiment_list,
ga_experiment,
ga_filter_list,
ga_filter_view_list,
ga_filter_view, ga_filter,
ga_goal_list, ga_goal,
ga_remarketing_estimate,
ga_remarketing_get,
ga_remarketing_list,
ga_segment_list,
ga_unsampled_list,
ga_unsampled, ga_users_list,
ga_view_list, ga_view,
ga_webproperty_list,
ga_webproperty,
google_analytics_account_list