From 5c4429dc03ca24e117fb6190b170ae6669d4768d Mon Sep 17 00:00:00 2001 From: hadley Date: Mon, 19 Sep 2016 08:01:15 -0500 Subject: [PATCH] Swap seasons --- model-building.Rmd | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/model-building.Rmd b/model-building.Rmd index 3e2870e..0ca07f6 100644 --- a/model-building.Rmd +++ b/model-building.Rmd @@ -291,7 +291,7 @@ daily %>% I suspect this pattern is caused by summer holidays: many people go on holiday in the summer, and people don't mind travelling on Saturdays for vacation. Looking at this plot, we might guess that summer holidays are from early June to late August. That seems to line up fairly well with the [state's school terms](http://schools.nyc.gov/Calendar/2013-2014+School+Year+Calendars.htm): summer break in 2013 was Jun 26--Sep 9. -Why are there more Saturday flights in the Fall than the Spring? I asked some American friends and they suggested that it's less common to plan family vacations during the Fall because of the big Thanksgiving and Christmas holidays. We don't have the data to know for sure, but it seems like a plausible working hypothesis. +Why are there more Saturday flights in the Spring than the Fall? I asked some American friends and they suggested that it's less common to plan family vacations during the Fall because of the big Thanksgiving and Christmas holidays. We don't have the data to know for sure, but it seems like a plausible working hypothesis. Lets create a "term" variable that roughly captures the three school terms, and check our work with a plot: