Adding observations to an existing dataframe

4_postcodes_in_a_dataframe.R

if (!require('PostcodesioR')) {
  install.packages('PostcodesioR')
  library('PostcodesioR')
}

postcodeSet.df <-  postcode_lookup("EC1N 2HT")
mahSubset <- subset(postcodeSet.df, select=c(postcode, nhs_ha))
# demo 1 row...
str(mahSubset)

# rbind is the bit that adds extra data rows to the data frame...
# (Note that this is not an efficient way, and we need to look at 
# bulk equivalents of postcode_lookup if your data set gets large)
postcodeSet.df <- rbind(postcodeSet.df, postcode_lookup("G41 4NB"))
postcodeSet.df <- rbind(postcodeSet.df, postcode_lookup("PL1 1LE"))
postcodeSet.df <- rbind(postcodeSet.df, postcode_lookup("CV1 1FL"))

# demo total of 4 rows (1 original, plus 3 added...)
mahSubset2 <- subset(postcodeSet.df, select=c(postcode, nhs_ha))
str(mahSubset2)