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Tutor profile: Yi H.

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Yi H.
Senior Data Scientist
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Questions

Subject: R Programming

TutorMe
Question:

What is R and what is the role of R in the field of data science and statistics?

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Yi H.
Answer:

Since data science is dealing in statistics, R will be a perfect tools for implementing various operations. R is used for Extract, Transform, and Loading. It offers an interface for many database like SQL and even spreadsheets. R interface with NoSQL databases and analyze unstructured data.

Subject: Statistics

TutorMe
Question:

How to use statistics to solve our reality problems?

Inactive
Yi H.
Answer:

Statistics is a collection of mathematical techniques that help to analyze and present data. Statistics is also used in associated tasks such as designing experiments and surveys and planning the collection and analysis of data from these.

Subject: Data Science

TutorMe
Question:

What is Data Science and how to efficiently use our daily data?

Inactive
Yi H.
Answer:

More generally, a data scientist is someone who knows how to extract meaning from and interpret data, which requires both tools and methods from statistics and machine learning, as well as being human. She spends a lot of time in the process of collecting, cleaning, and munging data, because data is never clean. This process requires persistence, statistics, and software engineering skills—skills that are also necessary for understanding biases in the data, and for debugging logging output from code

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