Annual changes in the number of vessel

Source: R/fishing_capacity.R

Fishing capacity. Annual changes in the number of purse seiners by tonnage categories (barplots) and total carrying capacity (dashed line with circles).

fishing_capacity(dataframe, graph_type = "plot", title = FALSE)

Arguments

dataframe

data.frame expected. 'Csv' or 'output' of the function data_extraction, which must be done before using the fishing_capacity() function.

graph_type

character expected. 'plot', 'plotly' or 'table'. Plot by default.

title

TRUE or FALSE expected. Title for plotly graph_type. False by default.

Value

The function return ggplot R plot.

Details

The input dataframe must contain all these columns for the function to work [see referentials]:


   activity_date | catch | keel_code
   ----------------------------------
   2010-03-06    | 1742  | 466
   2010-12-04    | 1800  | 426
   2010-05-19    | 1500  | 165

Add these columns for an automatic title (optional):

  • country_code

  • ocean_code

  • vessel_type_code