Nothing
test_that("colname guessing works as expected", {
# 3 cols
library(dplyr)
x.df <- ts_tbl(ts_c(mdeaths, fdeaths)) %>%
setNames(c("Haha", "Hoho", "Hihi"))
expect_equal(
ts_pc(mdeaths),
ts_ts(ts_xts(ts_df(ts_pc(x.df))))[, "mdeaths"]
)
expect_equal(
ts_diff(mdeaths),
ts_ts(ts_xts(ts_df(ts_diff(x.df))))[, "mdeaths"]
)
expect_equal(
ts_pcy(mdeaths),
ts_ts(ts_xts(ts_df(ts_pcy(x.df))))[, "mdeaths"]
)
expect_equal(
ts_diffy(mdeaths),
ts_ts(ts_xts(ts_df(ts_diffy(x.df))))[, "mdeaths"]
)
# 2 cols
x.df <- ts_tbl(AirPassengers) %>%
setNames(c("Haha", "Hoho"))
expect_equal(ts_pc(AirPassengers), ts_ts(ts_xts(ts_df(ts_pc(x.df)))))
expect_equal(ts_diff(AirPassengers), ts_ts(ts_xts(ts_df(ts_diff(x.df)))))
expect_equal(ts_pcy(AirPassengers), ts_ts(ts_xts(ts_df(ts_pcy(x.df)))))
expect_equal(ts_diffy(AirPassengers), ts_ts(ts_xts(ts_df(ts_diffy(x.df)))))
})
test_that("ts_compound, ts_index and ts_pc are consistent", {
expect_equal(ts_pc(mdeaths), ts_pc(ts_index(mdeaths)))
expect_equal(ts_pc(AirPassengers), ts_pc(ts_index(AirPassengers)))
expect_equal(
ts_compound(ts_pc(EuStockMarkets)),
ts_index(EuStockMarkets)
)
expect_equal(
ts_compound(ts_pc(ts_c(mdeaths, fdeaths))),
ts_index(ts_c(mdeaths, fdeaths))
)
expect_equal(
ts_pc(ts_compound(ts_pc(ts_c(mdeaths, fdeaths)))),
ts_pc(ts_index(ts_c(mdeaths, fdeaths)))
)
expect_equal(
ts_compound(ts_pc(ts_c(AirPassengers))),
ts_index(ts_c(AirPassengers))
)
})
test_that("pc and ts_index works with NA", {
x0 <- mdeaths
x0[5:10] <- NA
expect_s3_class(ts_index(ts_pc(x0)), "ts")
x1 <- EuStockMarkets
x1[5:10, ] <- NA
expect_s3_class(ts_index(ts_pc(x1)), "ts")
})
test_that("formulas are correct", {
x <- ts(c(1:8), start = 2000, frequency = 4)
expect_equal(ts_pc(x)[8], 100 * (8 / 7 - 1))
expect_equal(ts_pcy(x)[8], 100 * (8 / 4 - 1))
expect_equal(ts_diff(x)[8], 8 - 7)
expect_equal(ts_diffy(x)[8], 8 - 4)
expect_equal(ts_pca(x)[8], 100 * ((8 / 7)^4 - 1))
})
test_that("time order does not affect outcome", {
x0 <- ts(1:5, start = 2000)
x <- ts_df(ts_c(a = x0, b = x0))
ud <- x[c(5:1, 10:6), ]
expect_equal(ts_lag(ud), ts_lag(x))
expect_equal(ts_pc(ud), ts_pc(x))
expect_equal(ts_pc(ud), ts_pc(x))
expect_equal(ts_pca(ud), ts_pca(x))
})
Any scripts or data that you put into this service are public.
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.