coursera. Course - Machine learning and data analysis. Language of teaching material?

Question

big data

I want to sign up for a free course.
But I did not find information about the language of lectures, materials, slides, etc.
Who can tell me about this?

Answer 1

Default language: English
subtitles are also available in Russian

Answer 2

They say it's a cool course in Russian: https://www.coursera.org/specializations/machine-l...
I'm still considering it.