Home » Data Science » Data Analysis » A data analyst is using statistical measures to get a better understanding of their data. What function can they use to determine how strongly related are two of the variables? Q: Practice More Questions From: Working with data in R Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 2000+ Qs Machine Learning 1000+ Qs Created with Fabric.js 4.6.0 Similar Questions A data analyst is exploring their data to get more familiar with it. They want a preview of just the first six rows to get a better idea of how the data frame is laid out. What function should…A data analyst is working with a large data frame. It contains so many columns that they don’t all fit on the screen at once. The analyst wants a quick list of all of the column names to get a…In R, which statistical measure demonstrates how strong the relationship is between two variables?A data analyst uses the bias() function to compare the actual outcome with the predicted outcome to determine if the model is biased. They get a score of 0.8. What does this mean?Fill in the blank: A data analyst is working with the World Happiness data in Tableau. To get a better view of Moldova, they use the _____ tool.You are working with the ToothGrowth dataset. You want to use the glimpse() function to get a quick summary of the dataset. Write the code chunk that will give you this summary. How many…A data analyst writes the following code chunk to return a statistical summary of their dataset: quartet %>% group_by(set) %>% summarize(mean(x), sd(x), mean(y), sd(y), cor(x, y)) Which…A data analyst wants a quick summary of the structure of their data frame, including the column names and the number of rows and variables. What function should they use?You are working with the World Happiness data in Tableau. What tool do you use to get a better view of Greece?A data analyst is deciding on naming conventions for an analysis that they are beginning in R. Which of the following rules are widely accepted stylistic conventions that the analyst should…You are working with the ToothGrowth dataset. You want to use the head() function to get a preview of the dataset. Write the code chunk that will give you this preview.head(ToothGrowth)What…You are working with the ToothGrowth dataset. You want to use the skim_without_charts() function to get a comprehensive view of the dataset. Write the code chunk that will give you this view.…You explain that causation is the measure of the degree to which two variables move in relationship to each other. In the case of Gaea’s business, charging station numbers and car sales move…A data analyst uses the annotate() function to create a text label for a plot. Which attributes of the text can the analyst change by adding code to the argument of the annotate() function?…A data analyst wants to create a shareable report of their analysis with documentation of their process and notes explaining their code to stakeholders. What tool can they use to generate this? Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
