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Newest Mastering Spark with R summaries

Week 7 Week 7
  • Week 7

  • Summary • 3 pages • 2023
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  • The text is Mastering Spark with R. Using the sc connection that you have built earlier and making sure that you are still using Java 8, install the corr library and execute the following lines of code: >ml_corr(cars) >correlate(cars, use = "", method = "pearson" >correlate(cars, use = "", method = "pearson" %>% shave() %>% rplot() Submit a Word doc with screenshots of the results of running the code. Explain what the chart is showing. Expl...
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Week 15 Week 15
  • Week 15

  • Summary • 3 pages • 2023
  • Using the code provided in section 4.5.1 AND 4.5.2, create an LDA model of the essays in the okc dataset. Create charts of most common terms per topic. ANSWER THE FOLLOWING QUESTIONS: 1. Explain how the html tags and newline characters were removed from the text. 2. How were the individual words combined into complete essays? 3. Explain what an LDA model does. 4. What are stop words? 5. In which 2 topics is the word 'want' not in the top ten? 6. What code snippet causes the topics...
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Week 10 Week 10
  • Week 10

  • Summary • 3 pages • 2023
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  • Follow the instructions in the book in Chapter 4 to read in the okc data. Explain what each element in the code is doing. Glimpse() the data. ANSWER THESE QUESTIONS; 1.What is the data type of the essay fields? 2.What do they contain? 3.How do you know the data is in Spark? Continue to use the code in Chapter 4 to add a response variable. ANSWER THESE QUESTIONS: 4. What is the response variable added? 5. Explain how the response variable is aggregated. 6. What is the tally? Continue t...
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Week 3 Week 3
  • Week 3

  • Summary • 2 pages • 2023
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  • The text is Mastering Spark with R. After installing the dplyr library, use the following code in R studio, create a scatter plot of hp v. mpg cars2 <- copy_to(sc, mtcars) cars3 <- (cars2) cars4 <- select(cars3, hp, mpg) cars5 <- sample_n(cars4, 32) cars6 <- collect(cars5) plot(cars6)
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Week 1 Week 1
  • Week 1

  • Summary • 1 pages • 2023
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  • Submit a Word or .pdf document with screen shots of R Studio where you have created a vector of three words. Whenever you are asked to submit a screenshot, include either a sliver of your desktop or a timestamp from your desktop. Always repeat the question you are answering.
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