Home » Data Science » Data Analysis » 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. Q: Practice More Questions From: Programming and data analytics 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 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…Given the following word vectors and start and end vectors, determine the start and end of the sequence of interest.In Python, variable names must start with which of the following? Select all that apply.In Python, which data type represents numbers that contain decimals?An analyst comes across dates listed as strings in a dataset, for example December 10th, 2020. To convert the strings to a date/time data type, which function should the analyst use?A data analyst wants to assign the value 50 to the variable daily_dosage. Which of the following types of operators will they need to write that code?If you use the mdy() function in R to convert the string “April 10, 2019”, what will return when you run your code?True or False: the start and end vectors are fixed throughout training 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…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 in the…In Python, which data type represents whole numbers without fractions?Fill in the blank: The Python range() function returns a sequence of numbers starting from _____; then increments by one, by default; then stops before the given number.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?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…A data analyst wants to save stakeholders time and effort when working with a Tableau dashboard. They also want to direct stakeholders to the most important data. What process can they use to achieve… Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
