Create a single line time series graph in a dluhc theme for a line which has a predicted/forecast value

Create a single line time series graph in a dluhc theme for a line which has a predicted/forecast value

Usage

forecast_timeseries(
  .data,
  datecol,
  ycol,
  cutdate,
  dateformat = "%Y-%m-%d",
  dottedline = TRUE,
  label_names = c("Recorded", "Forecast")
)

Arguments

.data

A dataframe in long format with 2 columns necesarry: Date and value

datecol

The column name which contains the date value in a widely used date format

ycol

The column name which contains the values

cutdate

The date which the predicted values begin from

dateformat

The format which the date is presented in using the standard R date format, see here for more detail https://www.statology.org/r-date-format/

dottedline

A TRUE/FALSE statement to decide if you want a vertical dotted line on the graph to split the prediction and the recorded values

label_names

A vector containing the 2 words you want as the label for your lines, the default is c("Recorded", "Forecast")

Value

a ggplot2 object

Examples

df <- dluhctheme::OBR_Forecast
forecast_timeseries(df,Date,ycol=Inflation,cutdate = "01/10/2022",dateformat = "%d/%m/%Y", label_names = c("Actual","Predicted"))