Please make a reproducible R example of input and output. On May 12, 2020 1:11:41 AM PDT, Stefano Sofia <stefano.so...@regione.marche.it> wrote: >Dear R list users, >I am aware that this question is not strictly related, at the present >moment, to R code and it is more general. Please forgive me, but I need >to share my thoughts with you. > >Foehn conditions on the southern slope of Alps happen with strong >northerly flows that impact perpendicularly over the Apls. This >situation triggers strong northerly leeward winds. >Given a single automatic weather station, I would like to identify >these periods starting from wind direction and wind intensity data. >Frequency of data is quarter of hour. >I would really find difficult to detect the moving windows of these >events: >- I can't analyse data day by day; >- at the beginning and at the end of each event, when the process is >not at full speed yet, the rotation is not always perfectly >identifiable; >- I cannot claim in principle that the direction of each consecutive >observation is costantly and strictly from the chosen direction. > >Does anybody have a clue on how to start to build this process in the >right way? > >Thank you for your attention and your help >Stefano > > (oo) >--oOO--( )--OOo---------------- >Stefano Sofia PhD >Civil Protection - Marche Region >Meteo Section >Snow Section >Via del Colle Ameno 5 >60126 Torrette di Ancona, Ancona >Uff: 071 806 7743 >E-mail: stefano.so...@regione.marche.it >---Oo---------oO---------------- > >________________________________ > >AVVISO IMPORTANTE: Questo messaggio di posta elettronica può contenere >informazioni confidenziali, pertanto è destinato solo a persone >autorizzate alla ricezione. I messaggi di posta elettronica per i >client di Regione Marche possono contenere informazioni confidenziali e >con privilegi legali. Se non si è il destinatario specificato, non >leggere, copiare, inoltrare o archiviare questo messaggio. Se si è >ricevuto questo messaggio per errore, inoltrarlo al mittente ed >eliminarlo completamente dal sistema del proprio computer. Ai sensi >dell’art. 6 della DGR n. 1394/2008 si segnala che, in caso di necessità >ed urgenza, la risposta al presente messaggio di posta elettronica può >essere visionata da persone estranee al destinatario. >IMPORTANT NOTICE: This e-mail message is intended to be received only >by persons entitled to receive the confidential information it may >contain. E-mail messages to clients of Regione Marche may contain >information that is confidential and legally privileged. Please do not >read, copy, forward, or store this message unless you are an intended >recipient of it. If you have received this message in error, please >forward it to the sender and delete it completely from your computer >system. > >-- >Questo messaggio stato analizzato da Libra ESVA ed risultato non >infetto. >This message was scanned by Libra ESVA and is believed to be clean. > > > [[alternative HTML version deleted]] > >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide >http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code.
-- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
