How to work with Big Data in .NET and is it necessary?

Question

big data

Recently, Habr is full of posts about BigData. In addition, everyone must have seen the competition from Beeline.
I wrote an application in C# (with absolutely no idea about algorithms and BigData approaches), which at first gave 61+% of hits. I can’t say that I tried hard - I just wrote the first algorithm that came to mind. Yesterday, by the way, I tweaked it a bit and it already gave out 69.48%, but didn’t change anything in principle, just weeded out the “garbage”.
But, of course, it became interesting to me - how do normal specialists cope with such tasks.
I found that R is the leader in this area, followed closely by Python. This couple is the de facto standard.
At the same time, on many resources I read about the use of many other languages, in particular Java / Scala.
Even Excel is used for such purposes.
But didn't find anything about using .NET (C#).
Maybe the elephant did not notice?
1) Are there libraries for statistical data processing and machine learning for C#?
If so, I'd like to see recommendations.
2) Does C# have fatal flaws that prevent it from being used for the above purposes?

Answer 1

Apparently I didn’t search well the first time, now I came across https://pragmaticdevs.wordpress.com/2014/09/03/get...
The principle is clear. I'll take it apart further. If it works, I'll post it here.

Answer 2

in C#, you can implement whatever you want, the main thing is to have direct hands.