Aw: Re: Re: Spark Streaming prediction

2017-01-02 Thread Daniela S
(e.g. 180 minutes) I would of course like to use these values and the missing ones to get values for the next 24 hours (one value per minute) should be predicted.   Thank you in advance.   Regards, Daniela   Gesendet: Montag, 02. Januar 2017 um 22:30 Uhr Von: "Marco Mistroni" An: 

Aw: Re: Spark Streaming prediction

2017-01-02 Thread Daniela S
, 02. Januar 2017 um 21:07 Uhr Von: "Marco Mistroni" An: "Daniela S" Cc: User Betreff: Re: Spark Streaming prediction Hi  you  might want to have a look at the Regression ML  algorithm and integrate it in your SparkStreaming application, i m sure someone on the list has

Spark Streaming prediction

2017-01-02 Thread Daniela S
Hi   I am trying to solve the following problem with Spark Streaming. I receive timestamped events from Kafka. Each event refers to a device and contains values for every minute of the next 2 to 3 hours. What I would like to do is to predict the minute values for the next 24 hours. So I would li

Spark Streaming - join streaming and static data

2016-12-06 Thread Daniela S
Hi   I have some questions regarding Spark Streaming.   I receive a stream of JSON messages from Kafka. The messages consist of a timestamp and an ID.   timestamp                 ID 2016-12-06 13:00    1 2016-12-06 13:40    5 ...   In a database I have values for each ID:   ID       m

Grouping in Spark Streaming / batch size = time window?

2016-04-11 Thread Daniela S
Hi,   I am a newbie in Spark Streaming and have some questions.   1) Is it possible to group a stream in Spark Streaming like in Storm (field grouping)?   2) Could the batch size be used instead of a time window?   Thank you in advance.   Regards, Daniela     -

Use only latest values

2016-04-09 Thread Daniela S
Hi, I would like to cache values and to use only the latest "valid" values to build a sum. In more detail, I receive values from devices periodically. I would like to add up all the valid values each minute. But not every device sends a new value every minute. And as long as there is no new val