Home » Data Science » Data Analysis » Which of the following variables have names that follow widely accepted naming convention rules? Select all that apply. Q: Practice More Questions From: Programming and data analytics Created with Fabric.js 4.6.0 Similar Questions 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 use when…A data analyst is working with a data frame named cars. The analyst notices that all the column names in the data frame are capitalized. What code chunk lets the analyst change all the column names to…Examples of variable names that can be used in R are autos_5 and utility2. Variable names should start with a letter and can also contain numbers and underscores.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 want to apply the filter() function to the variables Cocoa.Percent and Rating. Add the code chunk that lets you filter the data frame for chocolate bars that contain at least 75% cocoa and have a…Next, you prepare for the question-and-answer session that will follow your presentation. What methods help you predict what questions your audience may ask? Select all that apply.Next, you prepare for the question-and-answer session that will follow your presentation. What methods help you consider any limitations of your data? Select all that apply.Next, you prepare for the question-and-answer session that will follow your presentation. What methods help you consider any limitations of your data? Select all that apply.In ggplot2, which of the following aesthetic attributes can you use to map variables to points? Select all that apply.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 better…Next, you prepare for the question-and-answer session that will follow your presentation. To predict what questions they may ask, you do a colleague test of your presentation. You should choose a…A data analyst is working with the penguins dataset. What code chunk does the analyst write to make sure all the column names are unique and consistent and contain only letters, numbers, and…Add the code chunk that lets you select the three variables. What company location appears in row 1 of your tibble?Assume you have missing data on one of your features, and are considering two options: True or False: "Both options have the same performance".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 are the… Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
