Примери коришћења Big data sources на Енглеском и њихови преводи на Српски
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Big data sources are both found and designed;
Table 2.3: Examples of natural experiments using big data sources.
Big data sources do not mean the end of survey research.
Bit By Bit- Asking questions- 3.6 Surveys linked to big data sources.
Big data sources can be loaded with junk and spam.
Measurement is much less likely to change behavior in big data sources.
Big data sources tend to have a number of characteristics in common;
Table 2.1: Studies of unexpected events using always-on big data sources.
Measurement in big data sources is much less likely to change behavior.
Then, in Section 2.3,I describe ten common characteristics of big data sources.
Far from distinctive, many big data sources have information that is sensitive.
Third era Non-probability sampling Computer-administered Surveys linked to big data sources.
Figure 3.12: Two ways to combine big data sources and survey data. .
The big data sources of today, and likely tomorrow, tend to have 10 characteristics.
In fact, people who have worked with big data sources know that they are frequently dirty.
For the purposes of social research,I think it is helpful to distinguish between two kinds of big data sources.
As I described in chapter 2, most big data sources are inaccessible to researchers.
Most big data sources are incomplete, in the sense that they don't have the information that you will want for your research.
As this example illustrates,using nonrepresentative big data sources to do out-of-sample generalizations can go very wrong.
In some cases, big data sources enable you to do this counting relatively directly(as in the case of New York Taxis).
Social scientists call this match construct validity andit is a major challenge with using big data sources for social research(Lazer 2015).
In conclusion, the big data sources of today(and tomorrow) generally have ten characteristics.
For more on construct validity, see Westen and Rosenthal(2003), andfor more on construct validity in big data sources, Lazer(2015) and Chapter 2 of this book.
To conclude, many big data sources are not representative samples from some well-defined population.
Another way in which researchers can use big data sources in survey research is as a sampling frame for people with specific characteristics.
Thus, when big data sources appear to reproduce predictions of social theory, we must be sure that the theory itself was not baked into how the system worked.
Some researchers believe that big data sources, especially online sources, are pristine because they are collected automatically.
In conclusion, big data sources, such as government and business administrative records, are generally not created for the purpose of social research.
Some researchers believe that big data sources, especially online sources, are pristine because they are collected automatically.
Like many of the big data sources in chapter 2, the Catalist master file did not include much of the demographic, attitudinal, and behavioral information that Ansolabehere and Hersh needed.