Questions tagged [terminology]
Usage and meaning of specific technical words/concepts in statistics.
1,694
questions
8
votes
2
answers
552
views
Is there a name for the likelihood of the most likely outcome?
In pop statistics, it's common to state what the most likely outcome is as if that is a very meaningful attribute.
But without knowing how likely the most likely outcome is, it isn't really so highly ...
- 249
5
votes
3
answers
858
views
Rule of Thumb meaning in statistics
I was wondering what the term "rule of thumb" actually means in statistics. Why did they select this name, for example, for sample size calculation? Is it like an approximation based on ...
- 107
0
votes
0
answers
29
views
What do people in machine learning typically mean when they talk about something being ill conditioned?
RIght now I am reading a paper which deals with some optimization methods for machine learning and the author explains how some of the methods "deal with ill conditioning".
I know the term ...
- 111
0
votes
0
answers
12
views
Term for non-structural-zero part of a zero-inflated model
One way to describe a a zero-inflated random variable $Y$ is $Z \times Y'$ where $Y'$ is some discrete random variable and $Z \sim \text{Bernoulli}(\psi)$, for some $\psi \in [0,1].$ My question is: ...
1
vote
1
answer
34
views
Outcome vs. elementary event, which of them is assigned a probability?
A previous question here asked about the difference between "outcomes" and "elementary events". The answer was that
An event is some subset of the sample space. One possible event ...
3
votes
0
answers
32
views
What are the "tricks" in machine learning? [closed]
I have come across a few different "tricks" in machine learning methodology, which I list below along with my rudimental understandings.
The Kernel Trick:
This is used in Support Vector ...
- 409
0
votes
0
answers
68
views
What do people call such a chart with a strip of activity types per time?
What do people call a chart like that below which has days on Y axis and time of the day on X axis while color represents a kind of activity (data gathering, processing, etc.)?
It is very close to ...
- 193
9
votes
3
answers
765
views
What do people call a chart with a strip of peak values in time intervals?
What do people call a chart like one below which has days on Y axis and time of the day on X axis while color represents the level of some value (for example, loading, usage count, etc.)?
The chart ...
- 193
2
votes
0
answers
80
views
When authors write "model of the data" is this a shorthand for "model of the data generating process" [duplicate]
Some authors, such as Barber in Bayesian Reasoning and Machine Learning and Rasmussen & Williams in Gaussian Processes for Machine Learning, write phrases such as "model of the data" and ...
- 121
6
votes
4
answers
991
views
Is it incorrect terminology to say "confidence interval of a random variable"?
I have seen claims that "population paramter is not a random variable" when discussing confidence intervals.
eg here
Be sure to note that the population parameter is not a random variable.
...
- 284
8
votes
2
answers
520
views
What is it called when two variables causally affect one another?
Suppose two variables X1 and X2 are correlated and we know that X1 causes X2 and X2 causes X1.
For example, leg strength and an interest in cycling interest might be correlated. And (suppose) we know ...
- 384
6
votes
1
answer
165
views
Terminology clarification about sample moments
According to MathWorld (link): "The sample raw moments are unbiased estimators of the population raw moments".
While in Wikipedia (link) it is said:
...the $k$-th raw moment of a population ...
- 673
9
votes
6
answers
265
views
Why was the term "significance" ($\alpha$) chosen for the probability of Type I error?
I'm currently studying "Statistics 1" as part of my Computer Science degree, and I'm having trouble understanding the concept of "significance."
We were provided with the following ...
- 93
1
vote
1
answer
83
views
What is the name/terminology for this application of OLS regression
I don't come from a statistics background and was instructed to follow these steps to fill in missing data. I'm wondering if there is a name for this specific method so that I can learn more of it and ...
- 13
11
votes
4
answers
3k
views
What kind of chart is this and how to read it?
I came across this chart that is both weird and intriguing. It is about some literary works produced in the regions mentioned. The x axis is the time and y axis the percentage.
The preceding para has ...
- 213