What is the effect similar data completely different types of samples?

Good evening. I forgot how is called this effect (or whatever its called).

For example there is a schedule of reducing the level of harvest in a particular country in a year. And there is a similar graph of number of sneakers is also bought in a year. and their movements are 1 to 1, from which it can be assumed that buying sneakers associated with productivity (or Vice versa).
March 23rd 20 at 18:57
1 answer
March 23rd 20 at 18:59
Solution
A false correlation. (spurious correlation)
tylervigen.com/spurious-correlations?imm_mid=0f155...
https://www.finam.ru/analysis/newsitem718AB/
P..S. the Correlation is when the relationship between the data all the same there. A false correlation is when formal methods show us that there is a correlation, but the logic and semantics says it is not. Sneakers and productivity - a good example of the second, but certainly not the first.

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