PriceIndices (version 0.2.3)

compare_indices_df: A function for graphical comparison of price indices

Description

This function returns a figure with plots of selected price indices.

Usage

compare_indices_df(
  data,
  names = colnames(data)[2:length(colnames(data))],
  date_breaks = "1 month"
)

Value

This function returns a figure with plots of previously calculated indices (together with dates on X-axis and a corresponding legend). Indices must be provided as a data frame, where the the first column must includes dates limited to the year and month (e.g.: "2020-04").

Arguments

data

The user's data frame with price index values. It must contain columns: time (as character in format: year-month, e.g. '2020-12') and columns with index values.

names

A vector of strings indicating names of indices which are to be used in the figure's legend.

date_breaks

A string giving the distance between breaks on the X axis like "1 month" (default value) or "4 months".

Examples

df<-price_indices(milk, start = "2018-12", end = "2019-12", 
formula=c("laspeyres", "fisher"), interval = TRUE)
compare_indices_df(df)