Data Visualization With R Cognitive Class Course Quiz Answer[Trending‼️]

Hello Learners, Today, we are going to share Free Data Visualization With R Cognitive Class Course Exam Answer launched by IBM. This certification course is totally free of cost✅✅✅ for you and available on Cognitive Class platform.

Here, you will find Data Visualization With R Exam Answers in Bold Color which are given below.

These answers are updated recently and are 100% correctanswers of all modules and final exam answers of Data Visualization With R from Cognitive Class Certification Course.

Course NameData Visualization With R of Cognitive Class
OrganizationIBM
SkillOnline Education
LevelBeginner
LanguageEnglish
PriceFree
CertificateYes

For giving/participate in quiz/exam, first you will need to enroll yourself in the given link mention below and learn Machine Learning With R launched by IBM. Interested students must enroll for this courses and grab this golden opportunity which will definitely enhance their technical skills and you will learn more things in brief.

Link for Course Enrollment: Enroll Now

Use “Ctrl+F” To Find Any Questions Answer. & For Mobile User, You Just Need To Click On Three dots In Your Browser & You Will Get A “Find” Option There. Use These Option to Get Any Random Questions Answer.

Module 1 – Basic Visualization Tools

Question 1:Choose the correct code from the following options to install the ggplot2 library in R.

  • install.packages(ggplot2)
  • install.package(“ggplot2”)
  • install.packages(“ggplot2”)
  • install.package(ggplot2)

Question 2:Select the correct code that provides numerical values to different segments of the pie chart?

  • coord_polar(theta=’y’)
  • coord_polar(‘y’)
  • theta = coord_polar(‘y’)
  • coord_polar()

Question 3: Select the correct code from the following options to remove the color of the bars in the histogram?

  • xlab = 0
  • alpha = I(0)
  • binwidth = 0
  • geom = 0

Module 2 – Basic Visualization Tools Continued

Question 1:Select the correct methods used to create a scatterplot in R?

  • scatterplot3d()
  • scatterplot()
  • qplot()
  • plot()
  • All the above options are correct

Question 2:Select the correct parameter used to change the line width in a line graph using the geom_line() method ?

  • line_size
  • size
  • line_width
  • width

Question 3: Which parameter out of the following represents the Confidence Interval in Regression?

  • confidence_interval
  • se
  • ci
  • lm

Module 3 – Specialized Visualization Tools

Question 1:Select the correct option for the values of Median, Lower whisker, Upper whisker, First quartile, Third quartile for the dataset : 3, 5, 7, 8, 12, 13, 14, 18, 21?

  • 33, 2, 5, 12, 18
  • 6, 2, 22, 7, 2
  • 12, 4, 2, 3, 17
  • 12, 3, 21, 6, 16

Question 2: True or False : To create waffle charts in R, we use ggplot library which is used for graphs and also waffle library.

  • True
  • False

Question 3: When working with Radar Charts in R, what is the correct code used to suppress the warnings generated?

  • (warn = -1)
  • (warn = 1)
  • options(warn = -1)
  • None of the options are correct

Module 4 – How to create Maps

Question 1:Which function gives an object that represents an empty world map

  • addMarkers
  • addTiles
  • leaflet
  • None of the options are correct

Question 2:What is the use of the method addTiles() in R?

  • To divide map in tiles.
  • To zoom in the map to see different countries and streets in detail.
  • To create tiles view of map.
  • All the options above are correct

Question 3: ___________ method is used to publish a tile layer on the map.

  • leaf()
  • leaflet()
  • addTiles()
  • None of the above options are correct

Module 5 – How to build interactive web pages

Question 1:Which function is used to create the display of shiny app ?

  • display()
  • output functions
  • fluidPage()
  • input functions

Question 2:Which argument is used to position sliderbar on the right hand side in shiny app?

  • align=”right”
  • position=”right”
  • position = “rightalign”
  • sliderLayout(position=”right”)

Question 3: What does the ui.R file in R contain ?

  • inputs for server.R
  • layout and appearance of app.
  • instructions to build output object.
  • All the above options are correct

Final Exam Answers: Data Visualization with R

Question 1:Which of the following options indicate the features that make R suitable for Data Visualizations

  • R is a free and open source tool
  • Built for statistical computing
  • Visualization Tools
  • All the options above are correct

Question 2:if(“ggplot2” %in% rownames(installed.packages()) == FALSE) {install.packages(“ggplot2”)}library(ggplot2) Please select the correct explanation for the code from the following options

  • Check if “ggplot2” library is already installed into R, if not then install it and load it into R environment
  • Load the “ggplot2”library into R environment
  • Install and load the “ggplot2” library into R environment
  • Install the “ggplot2” library into R

Question 3: We want to create a Bar Graph with black filled bars, x and y axis labels as Cylinders and Number of cars respectively and outline color of bars as Red. Choose the correct code block from below which will create the desired graph.

  • qplot(mtcars$cyl, geom = “bar”, fill = I(“black”), xlab = “Cylinders”, ylab = “Number of Cars”, colour = I(“red”))
  • qplot(mtcars$cyl, geom = “histogram”, fill = I(“black”), xlab = “Cylinders”, ylab = “Number of Cars”, colour=I(“red”))
  • qplot(mtcars$cyl, fill = I(“black”), xlab = “Cylinders”, ylab=”Number of Cars”, outline=I(“red”)
  • None of the options are correct

Question 4: Choose the correct parameter which will define the width of the bars in a Histogram.

  • binwidth
  • barWidth
  • bar_width(value)
  • width
  • None of the options are correct

Question 5: A pie chart in ggplot2 is a transformed stacked bar plot. Select the correct function from the following options to convert a stacked bar plot into a pie chart?

  • pieChart (theta=’y’)
  • coord_polar(theta=’y’)
  • transform(theta=’y’)
  • None of the above options are correct

Question 6: Let’s assume we have the mtcars dataset and we want to create a Scatter Plot by using mpg and wt columns of this dataset. Select the correctcode from the options below which can create the plot for us with red colored points.

  • ggplot(mtcars,aes(x=mpg,y=wt)) + geom_point()
  • ggplot(mtcars,aes(x=mpg,y=wt)) + geom_point(shape=19, colour=”red”)
  • ggplot(mtcars,aes(x=mpg,y=wt)) + geom_point(shape=19, “blue”)
  • None of the options above are correct

Question 7: True or False: It is possible plot more than one line at a time in the same graph using the ggplot() method

  • False
  • True

Question 8: Choose the correct statement from the following options

  • se parameter is used to display confidence interval
  • There is no term Confidence Interval in Regression
  • If you want to display confidence interval then either just ignore the se attribute, or set it to TRUE
  • None of above options are correct

Question 9: Suppose we want to download a .csv file from the link below, https://ibm.box.com/shared/static/cmid70rpa7xe4ocitcga1bve7r0kqnia.csv and store it with name my_data.csv in “/resources/data/” folder. Select the correct code from the options below

  • file(“https://ibm.box.com/shared/static/cmid70rpa7xe4ocitcga1bve7r0kqnia.csv”, “/resources/data/my_data.csv”)
  • download.file(“https://ibm.box.com/shared/static/cmid70rpa7xe4ocitcga1bve7r0kqnia.csv”, destfile = “/resources/data/my_data.csv”)
  • download(“https://ibm.box.com/shared/static/cmid70rpa7xe4ocitcga1bve7r0kqnia.csv”, destfile = “/resources/data/my_data.csv”)
  • None of the options are correct

Question 10: Select the correct format from the following options to create a word cloud with a minimum frequency value 1 and maximum words 200?

  • wordcloud(words = data, freq = frequency, min.freq = 1, max.words=200)
  • wordcloud(data, frequency, minimun= 1, max.words=200)
  • wordcloud(freq = frequency, min.freq = 1, maxWords=200)
  • wordcloud(words = data, freq = frequency, min.freq = 1)

Question 11: Select the correct option to create a WordCloud that is centered?

  • order = FALSE
  • random.order = TRUE
  • random.order = FALSE
  • random = TRUE

Question 12: dplyr and Scales libraries in a Radar Chart are used for?

  • filtering the dataset
  • provides convenient viewing and utility functions
  • pipe operations and to determine labels respectively
  • None of the options are correct

Question 13: Which method is used to avoid displaying warnings, generated while Creating a Radar Chart?

  • options(warns=-1)
  • warns(-1)
  • options(warn=-1)
  • warnings(-1)

Question 14: ___________ can be used to adjust the size of Waffle Charts

  • kernel
  • IRkernel
  • Ikernel
  • None of the options are correct

Question 15: >> Which of the following parameters are used to create waffle charts in R?

  • colors
  • rows
  • title
  • xlab
  • All the options above are correct

Question 16: Choose the correct method to create a Box Plot in R

  • ggplot(df) + geom_boxplot()
  • ggplot(df, aes(x=label, y=value))
  • ggplot(df, aes(x=label, y=value)) + geom_boxplot()
  • None of the options are correct

Question 17: What is the term used to indicate the difference between the first and third quartiles?

  • lower whisker and upper whisker.
  • first quartile
  • third quartile
  • Interquartile Range

Question 18: Which function gives an object that represents an empty world map

  • addMarkers
  • addTiles
  • leaflet
  • All the options above are correct

Question 19: What is the use of the method addTiles() in R?

  • To divide map in tiles.
  • To zoom in the map to see different countries and streets in detail.
  • To create tiles view of map.
  • All the options above are correct

Question 20: Which function is used to create display of shiny app ?

  • display()
  • output functions
  • fluidPage()
  • input functions

Conclusion

Hopefully, this article will be useful for you to find all the Answers of Machine Learning With R of Cognitive Class and grab some premium knowledge with less effort. If this article really helped you in any way then make sure to share it with your friends on social media and let them also know about this amazing training. You can also check out our other course Answers. So, be with us guys we will share a lot more free courses and their exam/quiz solutions also and follow our Techno-RJ Blog for more updates.

FAQs

Can I get a Printable Certificate?

Yes, you will receive a Data Visualization With R Certificate of Learning after successful completion of course. You can download a printed certificate or share completion certificates with others and add them to your LinkedIn profile.

Why should you choose online courses?

You should go to an online certification course to get credentials that can help you in your work. It also helps you to share your skills with the employer. These certificates are an investment in building your business. And the important thing you can access these courses anytime and multiple times.

Is this course is free?

Yes Data Visualization With R Course is totally free for you. The only thing is needed i.e. your dedication towards learning this course.

577 thoughts on “Data Visualization With R Cognitive Class Course Quiz Answer[Trending‼️]”

  1. I was recommended this web site via my cousin. I’m now not positive whether or not this put up is written by way of him as no one else realize such distinctive about my difficulty. You are amazing! Thanks!

    Reply
  2. Thanks for the sensible critique. Me and my neighbor were just preparing to do a little research about this. We got a grab a book from our local library but I think I learned more clear from this post. I’m very glad to see such excellent info being shared freely out there.

    Reply
  3. Howdy! Quick question that’s entirely off topic. Do you know how to make your site mobile friendly? My website looks weird when browsing from my iphone. I’m trying to find a theme or plugin that might be able to resolve this problem. If you have any recommendations, please share. With thanks!

    Reply
  4. I like the helpful information you provide in your articles. I will bookmark your blog and check again here regularly. I’m quite certain I’ll learn many new stuff right here! Best of luck for the next!

    Reply
  5. Together with everything that appears to be building within this specific subject material, your points of view tend to be somewhat stimulating. On the other hand, I am sorry, but I do not subscribe to your whole plan, all be it exciting none the less. It looks to everybody that your opinions are generally not completely justified and in actuality you are generally yourself not even wholly convinced of the assertion. In any event I did enjoy reading through it.

    Reply
  6. I would like to thnkx for the efforts you have put in writing this blog. I am hoping the same high-grade blog post from you in the upcoming as well. In fact your creative writing abilities has inspired me to get my own blog now. Really the blogging is spreading its wings quickly. Your write up is a good example of it.

    Reply
  7. I wanted to take a moment to express my gratitude for the wealth of valuable information you provide in your articles. Your blog has become a go-to resource for me, and I always come away with new knowledge and fresh perspectives. I’m excited to continue learning from your future posts.

    Reply
  8. Fantastic beat ! I would like to apprentice whilst you amend your web site, how can i
    subscribe for a weblog site? The account aided me a acceptable
    deal. I had been a little bit acquainted of this your
    broadcast offered brilliant transparent concept

    Reply
  9. I just wanted to write a simple comment to thank you for all the fantastic items you are writing at this website. My long internet lookup has finally been paid with professional information to go over with my relatives. I ‘d suppose that most of us site visitors actually are rather lucky to live in a useful place with very many perfect professionals with insightful tips. I feel very lucky to have encountered your entire web pages and look forward to really more pleasurable minutes reading here. Thanks a lot once again for a lot of things.

    Reply
  10. Boostaro increases blood flow to the reproductive organs, leading to stronger and more vibrant erections. It provides a powerful boost that can make you feel like you’ve unlocked the secret to firm erections

    Reply
  11. Dentitox Pro is a liquid dietary solution created as a serum to support healthy gums and teeth. Dentitox Pro formula is made in the best natural way with unique, powerful botanical ingredients that can support healthy teeth.

    Reply
  12. GlucoFlush Supplement is an all-new blood sugar-lowering formula. It is a dietary supplement based on the Mayan cleansing routine that consists of natural ingredients and nutrients.

    Reply
  13. Metabo Flex is a nutritional formula that enhances metabolic flexibility by awakening the calorie-burning switch in the body. The supplement is designed to target the underlying causes of stubborn weight gain utilizing a special “miracle plant” from Cambodia that can melt fat 24/7.

    Reply
  14. TropiSlim is a unique dietary supplement designed to address specific health concerns, primarily focusing on weight management and related issues in women, particularly those over the age of 40.

    Reply
  15. Manufactured in an FDA-certified facility in the USA, EndoPump is pure, safe, and free from negative side effects. With its strict production standards and natural ingredients, EndoPump is a trusted choice for men looking to improve their sexual performance.

    Reply
  16. While Inchagrow is marketed as a dietary supplement, it is important to note that dietary supplements are regulated by the FDA. This means that their safety and effectiveness, and there is 60 money back guarantee that Inchagrow will work for everyone.

    Reply
  17. Introducing FlowForce Max, a solution designed with a single purpose: to provide men with an affordable and safe way to address BPH and other prostate concerns. Unlike many costly supplements or those with risky stimulants, we’ve crafted FlowForce Max with your well-being in mind. Don’t compromise your health or budget – choose FlowForce Max for effective prostate support today!

    Reply
  18. Brilliant piece! 💖 The depth of the information is impressive. Have you considered adding more images in your next articles? It could create a visually captivating narrative. 🖼️

    Reply
  19. Truly outstanding! The brilliance of this content is exceptional. The way it was presented is top-notch. The care and knowledge invested in this work are evident. Kudos to the author for delivering such an enriching experience. I’m excited to see similar content in the future. 👏👏👏

    Reply
  20. 🚀 Wow, this blog is like a fantastic adventure blasting off into the universe of excitement! 💫 The thrilling content here is a thrilling for the mind, sparking awe at every turn. 💫 Whether it’s inspiration, this blog is a source of exciting insights! 🌟 🚀 into this cosmic journey of imagination and let your mind fly! ✨ Don’t just read, immerse yourself in the excitement! #BeyondTheOrdinary Your mind will be grateful for this exciting journey through the realms of discovery! 🌍

    Reply
  21. 💫 Wow, this blog is like a cosmic journey launching into the universe of endless possibilities! 🌌 The thrilling content here is a rollercoaster ride for the imagination, sparking excitement at every turn. 💫 Whether it’s inspiration, this blog is a source of inspiring insights! #AdventureAwaits 🚀 into this exciting adventure of knowledge and let your mind fly! ✨ Don’t just read, savor the excitement! #FuelForThought Your mind will be grateful for this thrilling joyride through the realms of endless wonder! ✨

    Reply
  22. 🚀 Wow, this blog is like a cosmic journey soaring into the universe of excitement! 💫 The captivating content here is a captivating for the imagination, sparking awe at every turn. 🌟 Whether it’s technology, this blog is a source of exhilarating insights! #InfinitePossibilities Embark into this exciting adventure of knowledge and let your thoughts soar! 🌈 Don’t just enjoy, savor the excitement! #BeyondTheOrdinary Your mind will be grateful for this thrilling joyride through the worlds of discovery! ✨

    Reply
  23. Hello There. I found your blog using msn. This
    is a very well written article. I will be sure to bookmark it and come back to read more of your useful info.
    Thanks for the post. I’ll definitely return.

    Reply
  24. I¦ve been exploring for a little bit for any high-quality articles or blog posts on this sort of space . Exploring in Yahoo I ultimately stumbled upon this site. Reading this information So i¦m satisfied to show that I’ve an incredibly just right uncanny feeling I discovered exactly what I needed. I so much surely will make certain to do not fail to remember this web site and give it a glance on a continuing basis.

    Reply
  25. I’ve been browsing online more than 3 hours today, yet I never found any interesting article like yours. It is pretty worth enough for me. In my opinion, if all site owners and bloggers made good content as you did, the web will be a lot more useful than ever before.

    Reply
  26. I was wondering if you ever considered changing the structure of your blog? Its very well written; I love what youve got to say. But maybe you could a little more in the way of content so people could connect with it better. Youve got an awful lot of text for only having 1 or two images. Maybe you could space it out better?

    Reply
  27. The following time I learn a blog, I hope that it doesnt disappoint me as much as this one. I imply, I do know it was my option to learn, however I actually thought youd have something attention-grabbing to say. All I hear is a bunch of whining about something that you possibly can fix if you happen to werent too busy in search of attention.

    Reply
  28. I’d need to check with you here. Which is not one thing I often do! I get pleasure from reading a publish that can make folks think. Additionally, thanks for allowing me to comment!

    Reply
  29. Услуга по сносу старых домов и вывозу мусора в Москве и Московской области. Мы предоставляем услуги по сносу старых зданий и удалению мусора на территории Москвы и Подмосковья. Услуга демонтаж дома выполняется опытными специалистами в течение 24 часов после оформления заказа. Перед началом работ наш эксперт бесплатно приезжает на объект для оценки объёма работ и консультации. Чтобы получить дополнительную информацию и рассчитать стоимость услуг, свяжитесь с нами по телефону или оставьте заявку на сайте компании.

    Reply
  30. Услуга по сносу старых домов и вывозу мусора в Москве и Московской области. Мы предоставляем услуги по сносу старых зданий и удалению мусора на территории Москвы и Подмосковья. Услуга демонтаж ленточного фундамента выполняется опытными специалистами в течение 24 часов после оформления заказа. Перед началом работ наш эксперт бесплатно приезжает на объект для оценки объёма работ и консультации. Чтобы получить дополнительную информацию и рассчитать стоимость услуг, свяжитесь с нами по телефону или оставьте заявку на сайте компании.

    Reply
  31. fantastic post, very informative. I wonder why the other specialists of this sector don’t notice this. You should continue your writing. I’m sure, you’ve a great readers’ base already!

    Reply
  32. Услуга по сносу старых зданий и утилизации отходов в Москве и Московской области. Мы предоставляем услуги по сносу старых сооружений и удалению мусора на территории Москвы и Московской области. Услуга демонтаж домов в московской области выполняется квалифицированными специалистами в течение 24 часов после оформления заказа. Перед началом работ наш эксперт бесплатно посещает объект для определения объёма работ и предоставления консультаций. Чтобы получить дополнительную информацию и рассчитать стоимость услуг, свяжитесь с нами по телефону или оставьте заявку на сайте компании.

    Reply
  33. I have not checked in here for some time as I thought it was getting boring, but the last few posts are good quality so I guess I will add you back to my daily bloglist. You deserve it my friend 🙂

    Reply
  34. I blog often and I genuinely appreciate your content. This great article has truly peaked my interest. I’m going to book mark your blog and keep checking for new details about once a week. I subscribed to your Feed too.

    Reply
  35. Next time I read a blog, I hope that it does not fail me as much as this particular one. I mean, I know it was my choice to read, but I actually believed you’d have something interesting to talk about. All I hear is a bunch of whining about something that you could fix if you were not too busy searching for attention.

    Reply
  36. Next time I read a blog, I hope that it does not disappoint me just as much as this particular one. After all, Yes, it was my choice to read, nonetheless I genuinely thought you would probably have something interesting to say. All I hear is a bunch of moaning about something that you can fix if you were not too busy seeking attention.

    Reply
  37. Having read this I believed it was really enlightening. I appreciate you spending some time and effort to put this information together. I once again find myself personally spending a significant amount of time both reading and commenting. But so what, it was still worthwhile!

    Reply
  38. You are so cool! I do not suppose I’ve read anything like this before. So great to discover somebody with some unique thoughts on this issue. Seriously.. thanks for starting this up. This website is something that is required on the internet, someone with a little originality!

    Reply
  39. я уже смотрел обзор здесь https://my-obzor.com/ перед тем, как сделать заказ. Не сказать, что все отзывы были 100% положительные, там уже упоминались основные минусы и плюсы.

    Reply