add_prediction.pollyvote: add data to a pollyvote object

In pollyvote/pollyvoter: Aggregate Components, Calculate Forecasts and Determine Errors for Election Results.

Description

Adds data to a pollyvote opbject.

Usage

## S3 method for class 'pollyvote'
add_prediction(pv, method = "no_aggregation",
  fun = function(pv) {     get_data(pv) }, ...)

Arguments

pv	[pollyvote] the pollyvote object to add the data to.
method	[character(1)] method of the prediction. This method name will be used to call the prediction in predict.pollyvote.
fun	[function(pv)]
...	additional arguments

Value

The pollyvote object with added prediction

Examples

pv = create_pollyvote(perm_countries = "D")
pv = add_prediction(pv, "poll", function(pv) {
  pv %>% 
    get_data %>% 
    filter(source_type %in% c("poll")) %>%
    group_by(date, source_type, party) %>% 
    summarize(percent = mean(percent, na.rm = TRUE))
})

pollyvote/pollyvoter documentation built on May 25, 2019, 11:23 a.m.