Linked Questions
26 questions linked to/from Under what conditions does correlation imply causation?
13
votes
5
answers
3k
views
Does Correlation "Sometimes" Imply Causality? [duplicate]
I am an MBA student taking courses in statistics.
I am sure that at some point, we have all heard the famous expression - "Correlation Does Not Imply Causality".
When we are being introduced ...
- 7,158
4
votes
2
answers
505
views
Suppose that $R^2=0$ . Does this imply that Y and X are unrelated? [duplicate]
Possible Duplicate:
Under what conditions does correlation imply causation?
Can somebody illustrate how there can be dependence and zero covariance?
Or could there still be a relationship? Is ...
- 41
83
votes
28
answers
390k
views
Examples for teaching: Correlation does not mean causation
There is an old saying: "Correlation does not mean causation". When I teach, I tend to use the following standard examples to illustrate this point:
number of storks and birth rate in Denmark;
number ...
72
votes
6
answers
8k
views
Criticism of Pearl's theory of causality
In the year 2000, Judea Pearl published Causality. What controversies surround this work? What are its major criticisms?
- 14.6k
62
votes
3
answers
7k
views
Statistics and causal inference?
In his 1984 paper "Statistics and Causal Inference", Paul Holland raised one of the most fundamental questions in statistics:
What can a statistical model say about
causation?
This led to his ...
- 12.1k
22
votes
6
answers
64k
views
Does simple linear regression imply causation?
I know correlation does not imply causation but instead the strength and direction of the relationship. Does simple linear regression imply causation? Or is an inferential (t-test, etc.) statistical ...
- 221
35
votes
6
answers
9k
views
Under which assumptions a regression can be interpreted causally?
First, don't panic. Yes, there are many similar question on this site. But I believe none gives a conclusive answer to the question below. Please bear with me.
Consider a data generation process $\...
- 2,649
5
votes
2
answers
41k
views
Difference between experimental data and observational data?
I'm a novice to data mining and started to read about it. What's the exact difference between experimental data and observation data? Both are obviously data; and many say observation data can lead to ...
- 539
12
votes
3
answers
2k
views
Regression and causality in econometrics
In regression in general and in linear regression in particular, causal interpretation of parameters is sometimes permitted. At least in econometrics literature, but not only, when causal ...
- 4,636
12
votes
2
answers
526
views
Correlation without Causation
I know the famous expression "correlation does not imply causation". In a DAG, this situation might look like
$$
X \leftarrow U \rightarrow Y
$$
Here even though $X$ and $Y$ are not causally ...
- 564
8
votes
1
answer
1k
views
Correlation, regression and causal modeling
This is probably a blindingly obvious answer for any seasoned statistician, but I am still confused as to how correlation differs from regression, technically.
I understand that one is a measure of ...
- 181
5
votes
3
answers
863
views
Does autocorrelation imply temporal dependence?
It is always said that a time series should be stationary for forecasting using classical methods.
While converting a time series to stationary, we detrend and deseasonalize the time series.
Does this ...
- 193
1
vote
3
answers
334
views
Determining causality from a natural experiment
Suppose I thought that ingesting greater than 100 mg of chemical X annually noticeably decreased one's weight. Also, I had data (from a "natural" experiment) from 100 people (some male and some female)...
- 11
6
votes
3
answers
735
views
Does correlation correlate with causation?
Correlation does not imply causation, but causation causes correlation. By correlation I do not mean exclusively linear correlation, it could be arbitrarily shaped, as long as it is consistent and ...
- 163
2
votes
2
answers
4k
views
Comparing two sets of data over time to infer correlation or imply causation
I have two data sets, over a period of time that I would like to compare. I am very unfamiliar with statistics so sorry if this is simple. I need to use SPSS.
I am comparing the number of journal ...
- 21