random sample
Is this a kind of waste?Can we find an optimal sample? If we can , does that mean we have to know the distribution or how to infer the distribution?
8 Matching Annotations
- Oct 2021
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www.bitbybitbook.com www.bitbybitbook.com
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www.bitbybitbook.com www.bitbybitbook.com
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behavior on other platform
technique and privacy concerns
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www.bitbybitbook.com www.bitbybitbook.com
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Nonreactivity, however, does not ensure that these data are somehow a direct reflection of people’s behavior or attitudes.
I think the worst thing is: it can only a direct reflection of some people's behavior or attitudes(40% or 50% ? I don't know). Mixing with that of people who tend to hide their true feelings on social medias, the measurements may be absurdly inaccurate(Is this a kind of system error?)
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www.bitbybitbook.com www.bitbybitbook.com
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systematic errors, the kinds of errors that I’ll describe below that arise from biases in how data are created
Here comes the question: How can we detect them then eliminate them?
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www.bitbybitbook.com www.bitbybitbook.com
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billing data created by electric utilities
That's really true. For example, we can use the big data of electricity to depict the resumption rate of factories after the pandemic.
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- Sep 2021
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www.bitbybitbook.com www.bitbybitbook.com
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In fact, researchers must decide how to exercise their power based on inconsistent and overlapping rules, laws, and norms.
It shouldn't be decided by researchers.
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By power, I mean the ability to do things to people without their consent or even awareness.
Avoid using a patronizing tone!
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www.bitbybitbook.com www.bitbybitbook.com
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from the analog age to the digital age
So what is the exact definition of digital age? When can we say that we live in a digital age?
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