Explore your data using R programming

Explore your data using R programming

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Hard

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The video tutorial covers the importance of understanding data before analysis, focusing on data exploration using R and the Tidyverse package. It introduces the Star Wars dataset as a practical example, demonstrating functions like dim, STR, and glimpse to explore data structure. The tutorial also addresses handling missing data and analyzing numeric variables using summary statistics and visualizations like box plots and histograms.

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10 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the importance of understanding the dimensions and parameters of a dataset before analysis?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the role of the tidyverse in data analysis.

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

What are some common functions used to explore a dataframe in R?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What does the dim function tell you about a dataframe?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Describe the difference between the STR and glimpse functions.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you identify missing values in a dataset?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of understanding the nature of missing data?

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