Using the attached data | Loading your database from Excel | Function quality_control() | Function interpollen() | Methods of interpolation | "lineal" method | "movingmean" method | "spline" method | "tseries" method | "neighbour" method | Function calculate_ps() | Methods of calculating the Main Pollen Season | "percentage" method | "logistic" method | "clinical" method | "grains" method | "moving" method | Advanced examples | Southern Hemisphere & interannual types | Interpolation in detail | Function pollen_calendar | "heatplot" method | "phenological" method | "violinplot" method | Functions iplot_pollen() and iplot_years() | Function plot_summary() | Function plot_normsummary() | Function analyse_trend() | Function plot_trend() | Function iplot_abundance() | Function iplot_pheno() | Function plot_ps() | Function plot_hour() | Function plot_heathour()