Q: A data analyst has a dataset that contains date strings like “January 10th, 2022.” What lubridate function can they use to convert these strings to dates? or Q: The dataset that a data analyst is working with includes date strings such as “January 10th, 2022.” What lubridate function can they use to get dates from these strings? myd() mdy()…
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A data analyst previously created a series of nested functions that carry out multiple operations on some data in R. The analyst wants to complete the same operations but make the code easier to understand for their stakeholders. Which of the following can the analyst use to accomplish this?
Q: A data analyst previously created a series of nested functions that carry out multiple operations on some data in R. The analyst wants to complete the same operations but make the code easier to understand for their stakeholders. Which of the following can the analyst use to accomplish this? or Q: A prior data analyst used R to develop…
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A data analyst needs to find a package that offers a consistent set of functions that help them complete common data manipulation tasks like selecting and filtering. What tidyverse package provides this functionality?
Q: A data analyst needs to find a package that offers a consistent set of functions that help them complete common data manipulation tasks like selecting and filtering. What tidyverse package provides this functionality? or Q: Finding a package that provides a consistent set of functions to assist with routine data manipulation activities like filtering and choosing is necessary for…
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When programming in R, what is a pipe used as an alternative for?
Q: When programming in R, what is a pipe used as an alternative for? or Q: What is the alternate usage of a pipe in R programming? Nested function Variable Installed package Vector Explanation: In R programming, the pipe operator (%>%) may be used as an alternative to nested function calls. This provides a mechanism to chain actions that are both…
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Which of the following is a best practice when naming functions in R?
Q: Which of the following is a best practice when naming functions in R? or Q: Which of the following is the recommended method for naming functions in R? Function names should be capitalized Function names should be verbs Function names should be very long Function names should start with a special character Explanation: When naming functions in R, one of…
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A data analyst inputs the following code in RStudio: print(100 / 10) What type operators does the analyst use in the code?
Q: A data analyst inputs the following code in RStudio: print(100 / 10) What type operators does the analyst use in the code? or Q: In RStudio, a data analyst enters the following code: print(100 / 10) Which kind of operators does the code analyzer employ? Assignment Arithmetic Conditional Logical Explanation: The data analyst makes use of the division operator (/)…
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Fill in the blank: In ggplot2, you use the _____ to add layers to your plot.
Q: Fill in the blank: In ggplot2, you use the _____ to add layers to your plot. or Q: Complete the blank: To add layers to your plot in ggplot2, use the _____. The plus sign (+) The pipe operator (%>%) The equals sign (=) The ampersand symbol (&) Explanation: For the purpose of adding layers to your plot with ggplot2,…
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What argument of the labs() function can a data analyst use to add text outside of the grid area of a plot?
Q: What argument of the labs() function can a data analyst use to add text outside of the grid area of a plot? or Q: How can a data analyst put text outside of a plot’s grid area using the labs() function? text note title annotate Explanation: The title argument of the labs() method in ggplot2 is what a data analyst…
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A health care company wants to use AI to predict patient outcomes after surgery. They provide the AI with a training set of historical patient data that contains details of previous surgical procedures and outcomes. What role does the training set play in this scenario?
Q: A health care company wants to use AI to predict patient outcomes after surgery. They provide the AI with a training set of historical patient data that contains details of previous surgical procedures and outcomes. What role does the training set play in this scenario? or Q: An organization in the medical field aims to employ AI to forecast…
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Which of the following tasks can a manufacturer accomplish using generative AI? Select three answers.
Q: Which of the following tasks can a manufacturer accomplish using generative AI? Select three answers. or Q: Which of the following jobs can generative AI help a manufacturing complete? Choose three responses. Receive incoming shipments of new inventory. Draft new production guidelines Brainstorm ways to optimize resource allocation Create preview images of new products Explanation: In order to enhance the…