R Script: ##########PART 2 START############################################################################## R code and explanation for data analysis 5 tprocedures. # Read in
Question:
R Script:
##########PART 2 START############################################################################## R code and explanation for data analysis 5 tprocedures.
# Read in the dataset.beers = read.csv(file.choose(), header = TRUE)
# gives variable names.names(beers) # gives variable names.
# Make an appropriate visual display for abv.
hist(beers$abv, breaks = 50)
# Recall hist() makes a histogram, I have added the "breaks" soyou can see more detail in the data. # Add a title. # Add color and other aesthetics if you like. # See week 3 lessons or the script from Data Analysis #3.
# Calculate the mean and standard deviation. mean() andsd()# Again week 3 lessons or the script from Data Analysis#3.
# Perform a t test using the t.test() command. # The format is t.test(data, mu = mu_0, alternative ="alt") # where data is a quantitative variable mu_0 is the hypothesizedmean,# and alt is either "less", "greater" or "two.sided"(default).# See lesson 34 for an R code example for t.test() or week 5 moduleR tutorials.
##########PART 1 END#############################################################################
Data Set:
"","abv","ibu","id","name","style","brewery_id","ounces""1527",4.7,NA,1742,"White Zombie Ale","Witbier",331,12"1289",7.5,85,2159,"City of the Sun","American IPA",209,16"2202",7.2,NA,1841,"Alpha Blackback","American BlackAle",164,12"836",4.4,44,2558,"Moar","English India Pale Ale (IPA)",53,12"453",4.8,25,1851,"Cougar","American Blonde Ale",93,12"397",4.8,23,1228,"Mad Beach","American Pale WheatAle",360,12"1214",6.3,75,2000,"Fistful of Hops Orange","AmericanIPA",25,16"600",6,30,1936,"Farmer's Tan Red Ale","American Amber / RedAle",265,12"843",5.8,44,1896,"Aftermath Pale Ale","American Pale Ale(APA)",112,12"1557",4.8,NA,1446,"Great River Golden Ale","American BlondeAle",365,12"1407",2.7,NA,1286,"Bikini Beer","American IPA",173,12"551",4.9,29,567,"Churchkey Pilsner Style Beer","AmericanPilsner",526,12"1311",8,86,1346,"Habitus IPA","American IPA",423,16"672",4.8,35,890,"Payette Pale Ale","American Pale Ale(APA)",307,12"613",9,30,584,"Wee Muckle (2011)","Scotch Ale / WeeHeavy",25,16"971",5.6,55,1270,"Capital Trail Pale Ale","American Pale Ale(APA)",343,12"1889",5.7,NA,530,"Flagship IPA","English India Pale Ale(IPA)",179,12"1231",7.2,75,569,"Tocobaga Red Ale","American Amber / RedAle",141,12"1955",6,NA,2470,"Kreamed Corn","Cream Ale",24,12"1884",5.6,NA,1636,"Local 5 Pale Ale","American Pale Ale(APA)",355,16"2288",8.3,NA,2179,"Southern Cross","Flanders RedAle",204,19.2"1646",5,NA,1612,"Keeper (Current)","American Pilsner",363,12"812",5.2,42,1247,"Ray Ray?s Pale Ale","American Pale Ale(APA)",122,12"984",6.5,55,1599,"Royal Brat","Extra Special / Strong Bitter(ESB)",25,16"2250",8,NA,2120,"The Imperial Texan","American Double / ImperialIPA",161,16"996",4.3,60,2292,"Little Sister India Style Session Ale","AmericanIPA",170,12"1329",9.3,90,468,"Hop Box Imperial IPA","American Double /Imperial IPA",233,12"1629",5,NA,1658,"Cack-A-Lacky","American Pale Ale(APA)",347,12"172",6.8,16,2160,"Joey Wheat","American Pale WheatAle",24,16"287",4.9,20,1390,"Double D Blonde (2013)","American BlondeAle",198,12"781",5.5,40,2205,"Mountain Rescue Pale Ale","American Pale Ale(APA)",194,12"183",4.9,17,800,"21st Amendment Watermelon Wheat Beer(2006)","Fruit / Vegetable Beer",368,12"913",6,49,1906,"Driftwood Ale","Extra Special / Strong Bitter(ESB)",276,12"1839",5.5,NA,1811,"Marblehead","American Amber / RedAle",305,16"802",5.6,41,162,"Paddy Pale Ale","American Pale Ale(APA)",361,12"2140",6.8,NA,1433,"Hat Trick Hop IPA","American IPA",409,16"29",4,9,781,"Choc Beer (2003)","American Dark WheatAle",505,12"1408",3.5,NA,782,"Carolina Blonde Light (2005)","American BlondeAle",504,12"345",5,21,1428,"Tin Roof Watermelon Wheat","Fruit / VegetableBeer",152,12"1397",9.9,115,2471,"Hopkick Dropkick","American Double / ImperialIPA",24,12"1872",5.6,NA,1155,"Big Bend Hefeweizen","Hefeweizen",463,12"1381",8.2,103,2401,"Yellow Wolf Imperial IPA","American Double /Imperial IPA",117,12"510",5.2,27,2178,"Hawaiian Crow Porter","AmericanPorter",203,12"199",8.1,17,2104,"Apr? Shred","American Strong Ale",220,16"229",5.2,18,2673,"House Lager","Keller Bier / ZwickelBier",2,16"2254",8,NA,661,"Chaka","Belgian Strong Pale Ale",166,16"1916",5.8,NA,717,"Monkey Paw Oatmeal Pale Ale","American Pale Ale(APA)",514,16"210",4.5,18,1335,"Float Trip Ale","American BlondeAle",314,16"138",5.3,15,1281,"Samuel Adams Octoberfest","M?rzen /Oktoberfest",300,12"373",5,22,2055,"Killer Kolsch","K?lsch",236,12"1038",9.9,60,1049,"Bourbon Barrel Johan","EnglishBarleywine",25,16"2311",9,NA,2481,"Paris","Saison / Farmhouse Ale",10,16"226",5,18,406,"Snake River Lager","Vienna Lager",191,12"1838",5.5,NA,913,"Newburyport Pale Ale","American Pale Ale(APA)",495,12"2345",9.9,NA,2249,"Sanctified","Belgian Strong PaleAle",164,12"1858",5.5,NA,2035,"Kolschtal Eddy","K?lsch",33,16"168",5.3,16,1325,"Big Rod Coconut Ale","American BlondeAle",393,12"459",5.1,25,1410,"Sand Island Lighthouse","K?lsch",412,12"1313",8.5,86,747,"Old Grogham Imperial India Pale Ale(2012)","American Double / Imperial IPA",387,16"887",4.7,46,1494,"Fortunate Islands","American Pale WheatAle",209,16"1713",5.1,NA,727,"Shipyard Export","American BlondeAle",385,12"1440",4.2,NA,1818,"Keebarlin' Pale Ale","American Pale Ale(APA)",171,12"1891",5.7,NA,1642,"Bleeding Buckeye Red Ale","Extra Special /Strong Bitter (ESB)",352,16"77",4.4,12,1009,"Tallgrass Pub Ale","American BrownAle",45,16"153",4.2,16,2479,"Jammer","Gose",46,12"404",5.2,23,1268,"Rustic Red","Irish Red Ale",441,16"1688",5,NA,813,"Ambitious Lager","Munich HellesLager",499,16"929",6,50,1511,"Worthy Pale","American Pale Ale(APA)",199,12"753",5,38,1253,"Venture Pils","German Pilsener",75,12"539",5,28,769,"Harpoon Summer Beer (2012)","K?lsch",234,12"1808",5.5,NA,1287,"Hipster Ale (Two Roads Brewing)","American PaleAle (APA)",173,12"155",4.5,16,2412,"Deception","American Blonde Ale",112,12"222",5,18,1050,"The Lawn Ranger","Cream Ale",29,16"40",5.2,9,2151,"Onyx Black Ale","American Black Ale",131,12"1322",6.5,90,499,"Alphadelic IPA (2011)","AmericanIPA",198,12"41",3.7,10,2345,"Gansett Light","Light Lager",143,16"181",4.9,17,802,"Hell or High Watermelon Wheat (2009)","Fruit /Vegetable Beer",368,12"579",5.3,30,1775,"Autocrat Coffee Milk Stout","Milk / SweetStout",143,16"537",5,28,2427,"Suncaster Summer Wheat","American Pale WheatAle",105,12"56",5.6,10,108,"White Rascal","Witbier",37,12"732",5.7,36,560,"Persnickety Pale","American Pale Ale(APA)",190,12"785",5.5,40,145,"Silverback Pale Ale","American Pale Ale(APA)",424,12"1349",9.5,98,804,"Ten Fidy Imperial Stout (2008)","RussianImperial Stout",503,12"1459",4.4,NA,1043,"North Fork Lager","American PaleLager",307,12"1588",4.9,NA,1457,"Chronic Ale","American Amber / RedAle",370,16"2090",6.5,NA,900,"Celestial Blonde Ale","American BlondeAle",301,16"1504",4.5,NA,2455,"Lionshead","American Pilsner",90,12"1589",4.9,NA,715,"Long Day Lager","Czech Pilsener",475,12
Applied Regression Analysis and Other Multivariable Methods
ISBN: 978-1285051086
5th edition
Authors: David G. Kleinbaum, Lawrence L. Kupper, Azhar Nizam, Eli S. Rosenberg