Home » Data Science » Data Analysis » In Python, variable names must start with which of the following? Select all that apply. Q: Practice More Questions From: Python!, Review: Hello 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 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.In Python, variable names can include which of the following? Select all that apply.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…Fill in the blank: Before creating predictive models to identify trends and inform best practices, a company must _____ using metrics.Which of the following variables have names that follow widely accepted naming convention rules? 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…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…A data analyst creates a plot using the following code chunk:ggplot(data = penguins) +geom_point(mapping = aes(x = flipper_length_mm, y = body_mass_g))Which of the following represents a…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…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?Assume the name of your data frame is flavors_df. What code chunk lets you review the column names in the data frame?When naming variables in Python, you should NOT use which of the following? Select all that apply.You are working with the penguins dataset. You want to use the summarize() and max() functions to find the maximum value for the variable flipper_length_mm. You write the following…You are working with the penguins dataset. You want to use the summarize() and min() functions to find the minimum value for the variable bill_depth_mm. You write the following code:penguins…You are working with the penguins dataset. You want to use the summarize() and mean() functions to find the mean value for the variable body_mass_g. You write the following code:penguins… Created with Fabric.js 4.6.0 Practice More Questions Data Analysis 200+ Qs Machine Learning 100+ Qs
