Big Data eCourse
Together with Laudius and another teacher I made a Big Data eCourse in Dutch about what Big Data is, how to analyze Big Data and Privacy & Ethics in Big Data research. With the code: GUISELAINE 10 percent discount (Affiliate).
Big Data eCourse
Together with Laudius and another teacher I made a Big Data eCourse in Dutch about what Big Data is, how to analyze Big Data and Privacy & Ethics in Big Data research (Affiliate).
Is Storing All Data Necessary?
Big Data is very hot at the moment. It is a term for something that has always been but is more and more important. It will stay important, because with the information age data is everywhere and society keeps saving it for later. Google, Microsoft, and others are putting data centers everywhere to store data, even in The Netherlands. The big questions are:
Is every data information?
Is every data important?
Is storing every data necessary?
Separating Junk Data In Big Data
There is no simple answer for these questions, because only when questions are asked a data-analyst looks into the data to find answers. Then it is information that is important. The data-analyst must be good in looking into the Big Data for information and separating it for the junk data.
Big Data
Big Data is every data collected which has no meaning yet. The difference between Big Data and other data collection is the Big Data has the following features:
Volume --> Everything is registered, kept and stored
Velocity --> It is the information age, which means everything goes fast and is kept because there is no time to think about what to keep or not
Variety --> The data is kept, all the data. For example the time on which a survey is filled in, which most of the time has no meaning when analyzing the survey data.
Big Data Source
There are now 3 kinds of Big Data sources. In the future there could be more as society goes deeper into the information age. The 3 sources:
Collected by people --> Everything people collect digital. I have a collection of tweets online and on my computer more digitally. Not all that I have collected will be used by me in the future, therefor it is Big Data
Registration of process --> As told before when I fill in a survey the time when I fill in the survey is registered, this is a process which is not necessary for the research for which the survey is meant. The registered time is most of the time unimportant, but when something goes wrong with the survey it can be used to trace the survey
Collected by machines automaticly --> When I use electricity at home this data is collected. If I use Toon (Eneco) it would registered which place in my home and which appliance I would have used. This is done automaticly I only have to use Toon. This is important if I want to know which appliance uses the most electricity.
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