, we wish to notify the readers on the hazards caused by instant gas geysers. Two such cases presented to us last winter. Two young patients a 19 years old female admitted on 6th of February 2014, and 21 years old male admitted on 19th January, 2014 while taking a bath were found unconscious in the bathroom and presented to the emergency. These bathrooms were fitted with instant gas geysers wit...

Keywords--Logis t ics map, Geyser eruptions, Nonlinear dynamics, Old Faithful. 1. I N T R O D U C T I O N A N D P R O B L E M M O T I V A T I O N Old Faithful, the most famous geyser in Yellowstone National Park, is known for the regularity and predictability of its eruptions. Predictability, however, has many gradations. Although it is possible to predict an eruption after observing the previo...

A changepoint in statistical applications refers to an observational time point at which the structure pattern changes during a somewhat long-term experimentation process. In many cases, the change point time and cause are documented and it is reasonably straightforward to statistically adjust (homogenize) the series for the effects of the changepoint. Sadly many changepoint times are undocumen...