msleep**** For this assignment, you must name your R file msleep.R (using Rstudio) For all questions you should load tidyverse. You should not need to use any other libraries. Load tidyverse with suppressPackageStartupMessages(library(tidyverse)) The actual data set is called msleep Round all float/dbl values to two decimal places. If your rounding does not work the way you expect, convert the tibble to a dataframe by using as.data.frame() All statistics should be run with variables in the order I state E.g., “Run a regression predicting mileage from mpg, make, and type” would be: lm(mileage ~ mpg + make + type...) Before attempting to answer these, or if you lose points upon an attempt, please review all CodeGrade information provided in the CodeGrade overview submodule - if you do not you are likely to lose points. What is the variance in total sleep for carni vores and those whose conservation status is lc? Your answer should be in a 1 X 1 data frame with a value called ‘var’ with formatting like this: var 1 [value] What rodent (order Rodentia) has the highest total sleep/rem sleep ratio? Your answer should be in a 1 X 1 tibble assigned to Q2 with formatting like this: # A tibble: 1 x 1 name 1 [name] How many primates have a bodyweight/brainwt ratio greater than 100?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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msleep****

For this assignment, you must name your R file msleep.R (using Rstudio)

For all questions you should load tidyverse. You should not need to use any other libraries.

Load tidyverse with suppressPackageStartupMessages(library(tidyverse))
The actual data set is called msleep

Round all float/dbl values to two decimal places.

If your rounding does not work the way you expect, convert the tibble to a dataframe by using as.data.frame()

All statistics should be run with variables in the order I state

E.g., “Run a regression predicting mileage from mpg, make, and type” would be:

lm(mileage ~ mpg + make + type...)

Before attempting to answer these, or if you lose points upon an attempt, please review all CodeGrade information provided in the CodeGrade overview submodule - if you do not you are likely to lose points.

What is the variance in total sleep for carni vores and those whose conservation status is lc?

Your answer should be in a 1 X 1 data frame with a value called ‘var’ with formatting like this:

var
1 [value]

What rodent (order Rodentia) has the highest total sleep/rem sleep ratio?

Your answer should be in a 1 X 1 tibble assigned to Q2 with formatting like this:

# A tibble: 1 x 1
name
<chr>
1 [name]

How many primates have a bodyweight/brainwt ratio greater than 100?

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