prepareBirdRichnessData: Prepared data for visualization
In pointblue/RMN.functions:

This function turns the dataframe that prepares the data for analysis and graphs

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prepareBirdRichnessData(df, distance,
  transect = c(levels(as.factor(df$Transect))),
  surveyyear = c(levels(as.factor(df$YEAR))))

`df`	is a dataframe. Only works with newpc2 created by add.zeros() and it's previous steps.
`distance`	is a dataframe. Only works with newpc2 created by add.zeros() and it's previous steps.
`transect`	is a dataframe. Only works with newpc2 created by add.zeros() and it's previous steps.
`surveyyear`	is a dataframe. Only works with newpc2 created by add.zeros() and it's previous steps.