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Author: Khanh Ngo

Hello. My name is Khanh Hai Ngo. I graduated in Information Technology at VinUni. My advanced programming languages include C, C++, Python, Java, JavaScript, TypeScript, and R, which I would like to share with you. You will benefit from my content.
Name of the university: VinUni Major: EE Programming Languages: C, C++, Python, Java, JavaScript, TypeScript, R
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  • Khanh Ngo
The rbind() Function In R: How To Use rbind() In R
  • R

The rbind() Function In R: How To Use rbind() In R

  • Khanh Ngo
  • December 6, 2022

The rbind() function in R combines rows of two data sets like vectors, data frames, […]

The mean() Function In R: How To Use mean() In R?
  • R

The mean() Function In R: How To Use mean() In R?

  • Khanh Ngo
  • November 29, 2022

The mean() function in R is used to calculate the arithmetic mean value of a […]

Confidence Interval In R – How To Calculate The Confidence Interval In R?
  • R

Confidence Interval In R – How To Calculate The Confidence Interval In R?

  • Khanh Ngo
  • November 29, 2022

Confidence interval is very important and common in statistics. It is the range of value […]

The cut() Function In R: How To Use cut() In R
  • R

The cut() Function In R: How To Use cut() In R

  • Khanh Ngo
  • November 25, 2022

The cut() function in R is a powerful tool to convert numeric values to factorial […]

The grepl() function in R: How to use grepl() in R?
  • R

The grepl() function in R: How to use grepl() in R?

  • Khanh Ngo
  • November 17, 2022

The grepl() function in R is used to find a pattern inside a vector. If you are […]

The abs() Function In R: How To Use abs() In R
  • R

The abs() Function In R: How To Use abs() In R

  • Khanh Ngo
  • November 17, 2022

The abs() function in R is used to calculate absolute values. If you still have […]

Pipe Operator in R: How to use the pipe operator in R
  • R

Pipe Operator in R: How to use the pipe operator in R

  • Khanh Ngo
  • November 14, 2022

The pipe operator in R is an operation that helps you pass arguments or functions in sequence. […]

The Dist() Function In R: How to use dist() in R
  • R

The Dist() Function In R: How to use dist() in R

  • Khanh Ngo
  • November 13, 2022

The dist() function in R is used to find the distance between the rows of […]

The slice() function in R: How to use slice() in R
  • R

The slice() function in R: How to use slice() in R

  • Khanh Ngo
  • November 12, 2022

The slice() function in R is a powerful function that helps us to subset rows. […]

The Get() Function In R: How To Use Get() In R?
  • R

The Get() Function In R: How To Use Get() In R?

  • Khanh Ngo
  • November 11, 2022

The get() function in R is a built-in function that helps us call or return […]

The attach() Function In R: How To Use attach() In R
  • R

The attach() Function In R: How To Use attach() In R

  • Khanh Ngo
  • November 10, 2022

The attach() function in R allows us to use a variable in a data frame […]

“This expression is not callable. Type ‘String’ has no call signatures” – How To Fix It?
  • TypeScript

“This expression is not callable. Type ‘String’ has no call signatures” – How To Fix It?

  • Khanh Ngo
  • November 9, 2022

“This expression is not callable. Type ‘String’ has no call signatures” is a common error […]

Replicate Function In R: How To Use Replicate() In R
  • R

Replicate Function In R: How To Use Replicate() In R

  • Khanh Ngo
  • November 7, 2022

Are you wondering what is the replicate() function in R, its syntax, and how to […]

The spread() Function In R: How To Use spread() In R
  • R

The spread() Function In R: How To Use spread() In R

  • Khanh Ngo
  • November 5, 2022

In this tutorial, we will show you what the spread() function in R is and […]

How To Calculate The Time Between 2 Dates In TypeScript
  • TypeScript

How To Calculate The Time Between 2 Dates In TypeScript

  • Khanh Ngo
  • October 28, 2022

When working with dates, knowing how to calculate the time between 2 dates in TypeScript […]

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