How many states are there in each region

Assignment Help Programming Languages

Reference no: EM132586216

Assignment: In this exercise you'll use R package tidyverse (see chapter 4 of Introduction to Data Science Data Analysis and Prediction Algorithms with R by Rafael A. Irizarry. You need to go through chapter 4 before attempting the following questions. Using dplyr functions (i.e., filter, mutate ,select, summarise, group_by etc. ) and "murder" dataset (available in dslab R package) and write appropriate R syntax to answer the followings:

a. Calculate regional total murder excluding OH, AL, and AZ (Hint: filter(! abb %in% x) # here x is the exclusion vector)

b. Display the regional population and regional murder numbers.

c. How many states are there in each region? (Hint: n ())

d. What is Ohio's murder rank in the Northern Central Region (Hint: use rank(), row_number())

e. How many states have murder number greater than its regional average (Hint: nrow() )

f. Display 2 least populated states in each region (Hint: slice_min() )

Reference no: EM132586216

Questions Cloud

What will happen to revenues from product : Demand that a particular firm faces for its product is -1.8. The firm then decides to slightly increase its price. What will happen to revenues from product

The spread of rfid technology : Find an example of an organized anti-RFID group that wants to stop the spread of RFID technology.

The meaning of life : Explain Nagel's objection to a religious approach to the question of the meaning of life. How might Tolstoy answer Nagel?

What blood type is the blood sample : Clumping was observed with anti-A serum only. What blood type is the blood sample? Explain.

How many states are there in each region : In this exercise you'll use R package tidyverse (see chapter 4 of Introduction to Data Science Data Analysis and Prediction Algorithms with R by Rafael A.

What is needed is a cash budget for each of months october : What is needed is a: cash budget for each of the months October, November, and December. There is no minimum required ending cash balance

Does glucose contain protein : The lab test is using Biuret Solution to test for protein, specifically for glucose. Should my result be positive or negative?

Describes how organization structure can shape : Describes how an organization's structure can shape the roles of a project manager and project team throughout the duration of a project

Define specific recommendations you have for organization : Identify and justify 2 specific recommendations you have for the organization. Provide an outline for change management plan to implement your 2 recommendation.

User Account

All Pages