Dacha look down upon as reflecting the nouveau-riche tastes of their owners—and feature ostentatious items such as marble statues, fountains and exotic plants. Some have state-of-the-art sporting facilities such as an indoor swimming pool, multiple tennis courts and stables for race horses. A few privately owned estates even have small forests and lakes. Wealthy Russians have also bought up many of the tsarist-era dachas of the aristocracy, and Soviet-era dachas of artists and intellectuals. Types of houses or gardens similar to the "dacha": Dacha A dacha () is a seasonal or year-round second home, often located in the exurbs of Russian
Seasonal adjustment months and predictions for the future can be made. Seasonal adjustment is used in the official statistics implemented by statistical software like Demetra+. When seasonal adjustment is not performed with monthly data, year-on-year changes are utilised in an attempt to avoid contamination with seasonality. Due to the various seasonal adjustment practices by different institutions, a group was created by Eurostat and the European Central Bank to promote standard processes. In 2009 a small group composed of experts from European Union statistical institutions and central banks produced the ESS Guidelines on Seasonal Adjustment, which is being implemented in all the European