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January 25, 2019 09:15
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Happy to solve your unsolvable problem, Mr. Smith. :-)
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imsbasics::clc() | |
jahr16 <- seq(as.Date("2016/1/1"), as.Date("2016/12/31"), "days") | |
jahr17 <- seq(as.Date("2017/1/1"), as.Date("2017/12/31"), "days") | |
jahr18 <- seq(as.Date("2018/1/1"), as.Date("2018/12/31"), "days") | |
jahr19 <- seq(as.Date("2019/1/1"), as.Date("2019/12/31"), "days") | |
library(testthat) | |
library(lubridate) | |
expect_equal(wday(jahr16[5]), wday(jahr19[1])) | |
expect_equal(wday(jahr17[3]), wday(jahr19[1])) | |
expect_equal(wday(jahr18[2]), wday(jahr19[1])) | |
jahr16to19 <- jahr16 + (3*52*7) | |
jahr17to19 <- jahr17 + (2*52*7) | |
jahr18to19 <- jahr18 + (1*52*7) | |
jahr16to19 <- c(jahr16to19, jahr16to19[(length(jahr16to19)-6):length(jahr16to19)] + 7)[5:(5+364)] | |
jahr17to19 <- c(jahr17to19, jahr17to19[(length(jahr17to19)-6):length(jahr17to19)] + 7)[3:(3+364)] | |
jahr18to19 <- c(jahr18to19, jahr18to19[(length(jahr18to19)-6):length(jahr18to19)] + 7)[2:(2+364)] | |
expect_equal(as.numeric(diff(jahr16to19)), rep(1, 364)) | |
expect_equal(as.numeric(diff(jahr17to19)), rep(1, 364)) | |
expect_equal(as.numeric(diff(jahr18to19)), rep(1, 364)) | |
expect_true(all(jahr19 == jahr16to19)) | |
expect_true(all(jahr19 == jahr17to19)) | |
expect_true(all(jahr19 == jahr18to19)) |
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