setwd("C:/Users/amp12/Downloads")
grad<- read.csv("grad-rate.csv", colClasses = "character")
ncol(grad)
## [1] 3
nrow(grad)
## [1] 1252
names(grad)
## [1] "School" "City..State"
## [3] "X4.year.graduation.rate"
str(grad)
## 'data.frame': 1252 obs. of 3 variables:
## $ School : chr "Juilliard School" "Bowdoin College" "College of the Holy Cross" "Amherst College" ...
## $ City..State : chr "New York, NY" "Brunswick, ME" "Worcester, MA" "Amherst, MA" ...
## $ X4.year.graduation.rate: chr "94%" "91%" "91%" "90%" ...
#Split the city and state
grad$rate=gsub("%", "", grad$X4.year.graduation.rate)
grad$n_char<-nchar(grad$City..State)
grad$State<-substr(grad$City..State, grad$n_char-1, grad$n_char)
State<-data.frame(grad$State)
grad$City<-substr(grad$City..State, grad$n_char-25, grad$n_char-4)
City<-data.frame(grad$City)
#Histogram of Graduation Rate
grad2<-grad[,c(1,4,6,7)]
str(grad2)
## 'data.frame': 1252 obs. of 4 variables:
## $ School: chr "Juilliard School" "Bowdoin College" "College of the Holy Cross" "Amherst College" ...
## $ rate : chr "94" "91" "91" "90" ...
## $ State : chr "NY" "ME" "MA" "MA" ...
## $ City : chr "New York" "Brunswick" "Worcester" "Amherst" ...
grad2[,2]<-as.numeric(grad2[,2])
hist(grad2[,2], breaks = 10, xlab="Graduation Rate", main ="Histogram of College Graduation Rates",col='skyblue', border='white')
#Display the best college of a selected state
bestcollegeinstate<-function(State){
datt<-data.frame(grad2)
if (!State%in%unique(datt$State)){stop("invalid state")}
dff <- datt[datt$State == State, ]
new_daf <- dff[complete.cases(dff), ]
new_daf <- new_daf[order(new_daf[,2], decreasing = TRUE),]
new_daf<-new_daf[,1:3]
print(new_daf[1,1])
}
#Rank colleges in a selected state by graduation rate
instaterank <- function(State1) {
stdat<- data.frame(grad2)
if(!State1%in% unique(stdat$State)){stop("invalid state")}
df <- stdat[stdat$State == State1, ]
# Removing Missing Values for numerical datatype (outcome column)
new_df <- df[complete.cases(df), ]
new_df <- new_df[order(new_df[,2], decreasing = TRUE),]
new_df<-new_df[,1:3]
print(new_df)
#List the top 5 colleges by graduation rate in the state
print(head(new_df,5))
#List the bottom 5 colleges by graduation rate in the state
print(tail(new_df,5))
#Find the best & worst college in the state(by graduation rate)
max_df <- df[which.max(new_df[,2]), 1]
print(max_df)
min_df <- df[which.min(new_df[,2]), 1]
print(min_df)
}
#Display the top 50 colleges in the country by graduation rate
bestincountry <- function(State4) {
alldat<- data.frame(grad2)
dff <- alldat[, ]
#Removing Missing Values for numerical datatype (outcome column)
new_df <- dff[complete.cases(dff), ]
new_df <- new_df[order(new_df[,2], decreasing = TRUE),]
new_df<-new_df[1:50,1:3]
print(new_df)
}
bestincountry()
## School rate State
## 1 Juilliard School 94 NY
## 2 Bowdoin College 91 ME
## 3 College of the Holy Cross 91 MA
## 4 Amherst College 90 MA
## 5 Babson College 90 MA
## 6 Georgetown University 90 DC
## 7 Hamilton College 90 NY
## 8 Soka University of America 90 CA
## 9 United States Naval Academy 90 MD
## 10 University of Notre Dame 90 IN
## 11 Bates College 89 ME
## 12 Carleton College 89 MN
## 13 Colby College 89 ME
## 14 Pomona College 89 CA
## 15 Princeton University 89 NJ
## 16 Swarthmore College 89 PA
## 17 Washington and Lee University 89 VA
## 18 Boston College 88 MA
## 19 Colgate University 88 NY
## 20 Columbia University 88 NY
## 21 Dartmouth College 88 NH
## 22 Davidson College 88 NC
## 23 Duke University 88 NC
## 24 Johns Hopkins University 88 MD
## 25 University of Chicago 88 IL
## 26 University of Virginia 88 VA
## 27 Washington University in St. Louis 88 MO
## 28 Barnard College 87 NY
## 29 Bentley University 87 MA
## 30 Haverford College 87 PA
## 31 Tufts University 87 MA
## 32 Villanova University 87 PA
## 33 Yale University 87 CT
## 34 Brown University 86 RI
## 35 Bucknell University 86 PA
## 36 Harvey Mudd College 86 CA
## 37 Kenyon College 86 OH
## 38 Lafayette College 86 PA
## 39 Middlebury College 86 VT
## 40 University of Pennsylvania 86 PA
## 41 Vanderbilt University 86 TN
## 42 Williams College 86 MA
## 43 College of William and Mary 85 VA
## 44 Cornell University 85 NY
## 45 Macalester College 85 MN
## 46 Massachusetts Institute of Technology 85 MA
## 47 Santa Clara University 85 CA
## 48 St. Olaf College 85 MN
## 49 Vassar College 85 NY
## 50 Wesleyan University 85 CT
bestcollegeinstate("NY")
## [1] "Juilliard School"
instaterank("NY")
## School rate State
## 1 Juilliard School 94 NY
## 7 Hamilton College 90 NY
## 19 Colgate University 88 NY
## 20 Columbia University 88 NY
## 28 Barnard College 87 NY
## 44 Cornell University 85 NY
## 49 Vassar College 85 NY
## 56 Skidmore College 84 NY
## 68 St. Lawrence University 82 NY
## 72 United States Military Academy 81 NY
## 87 Union College 79 NY
## 102 University of Rochester 77 NY
## 115 Yeshiva University 76 NY
## 117 Hobart and William Smith Colleges 75 NY
## 119 Marist College 75 NY
## 120 New York University 75 NY
## 125 Fordham University 74 NY
## 126 Siena College 74 NY
## 128 Binghamton University--SUNY 73 NY
## 135 Sarah Lawrence College 73 NY
## 149 United States Merchant Marine Academy 72 NY
## 168 Syracuse University 70 NY
## 174 Albany College of Pharmacy and Health Sciences 69 NY
## 179 Ithaca College 69 NY
## 193 SUNY--Geneseo 68 NY
## 197 Webb Institute 68 NY
## 225 Monroe College 65 NY
## 237 Le Moyne College 64 NY
## 252 St. John Fisher College 63 NY
## 257 Wagner College 63 NY
## 259 Bard College 62 NY
## 262 Canisius College 62 NY
## 263 Cooper Union 62 NY
## 288 Rensselaer Polytechnic Institute 61 NY
## 289 St. Joseph's College New York 61 NY
## 299 Niagara University 60 NY
## 303 SUNY College--Oneonta 60 NY
## 316 Iona College 59 NY
## 320 Manhattan College 59 NY
## 324 St. Bonaventure University 59 NY
## 330 Clarkson University 58 NY
## 350 Elmira College 57 NY
## 360 Purchase College--SUNY 57 NY
## 361 University at Buffalo--SUNY 57 NY
## 372 Nazareth College 56 NY
## 376 University at Albany--SUNY 56 NY
## 378 Adelphi University 55 NY
## 390 School of Visual Arts 55 NY
## 392 SUNY--New Paltz 55 NY
## 408 SUNY College--Cortland 54 NY
## 423 Hofstra University 53 NY
## 431 Stony Brook University--SUNY 53 NY
## 457 Molloy College 51 NY
## 458 The New School 51 NY
## 485 Cazenovia College 49 NY
## 487 Hartwick College 49 NY
## 490 Manhattanville College 49 NY
## 504 College at Brockport--SUNY 48 NY
## 514 Roberts Wesleyan College 48 NY
## 518 SUNY--Fredonia 48 NY
## 527 The King's College 47 NY
## 548 College of Saint Rose 46 NY
## 554 Touro College 46 NY
## 561 Wells College 46 NY
## 572 Pratt Institute 45 NY
## 573 The Sage Colleges 45 NY
## 593 Paul Smith's College 44 NY
## 597 St. Thomas Aquinas College 44 NY
## 598 SUNY--Plattsburgh 44 NY
## 616 Mount St. Mary College 43 NY
## 621 SUNY College of Agriculture and Technology--Cobleskill 43 NY
## 641 Alfred University 41 NY
## 646 CUNY--Baruch College 41 NY
## 689 Marymount Manhattan College 39 NY
## 692 Pace University 39 NY
## 693 SUNY College of Technology--Delhi 39 NY
## 730 College of Mount St. Vincent 37 NY
## 735 Keuka College 37 NY
## 743 St. John's University 37 NY
## 744 SUNY College of Technology--Alfred 37 NY
## 761 SUNY Polytechnic Institute--Albany/Utica 36 NY
## 765 Vaughn College of Aeronautics and Technology 36 NY
## 785 Utica College 35 NY
## 794 LIM College 34 NY
## 801 SUNY College--Potsdam 34 NY
## 820 Daemen College 32 NY
## 851 Nyack College 31 NY
## 862 New York Institute of Technology 30 NY
## 864 SUNY College of Technology--Canton 30 NY
## 875 Berkeley College 29 NY
## 876 CUNY--Queens College 29 NY
## 877 Dominican College 29 NY
## 880 Farmingdale State College--SUNY 29 NY
## 883 LIU Post 29 NY
## 897 CUNY--Brooklyn College 28 NY
## 911 Rochester Institute of Technology 28 NY
## 912 St. Francis College 28 NY
## 932 SUNY College--Old Westbury 27 NY
## 943 D'Youville College 26 NY
## 989 CUNY--Hunter College 24 NY
## 996 Mercy College 24 NY
## 1055 SUNY--Morrisville 21 NY
## 1063 CUNY--College of Staten Island 20 NY
## 1064 CUNY--Lehman College 20 NY
## 1182 CUNY--City College 12 NY
## 1222 Metropolitan College of New York 8 NY
## 1228 CUNY--York College 7 NY
## 1236 CUNY--Medgar Evers College 6 NY
## School rate State
## 1 Juilliard School 94 NY
## 7 Hamilton College 90 NY
## 19 Colgate University 88 NY
## 20 Columbia University 88 NY
## 28 Barnard College 87 NY
## School rate State
## 1064 CUNY--Lehman College 20 NY
## 1182 CUNY--City College 12 NY
## 1222 Metropolitan College of New York 8 NY
## 1228 CUNY--York College 7 NY
## 1236 CUNY--Medgar Evers College 6 NY
## [1] "Juilliard School"
## [1] "CUNY--Medgar Evers College"
instaterank("TX")
## School rate State
## 61 Rice University 83 TX
## 148 Trinity University 72 TX
## 162 Southern Methodist University 71 TX
## 184 Texas Christian University 69 TX
## 209 Southwestern University 67 TX
## 229 University of Dallas 65 TX
## 242 Austin College 63 TX
## 294 Baylor University 60 TX
## 342 University of Texas--Austin 58 TX
## 409 Texas A&M University--College Station 54 TX
## 446 St. Edward's University 52 TX
## 451 University of Texas--Dallas 52 TX
## 475 LeTourneau University 50 TX
## 499 Abilene Christian University 48 TX
## 539 St. Mary's University of San Antonio 47 TX
## 581 Dallas Baptist University 44 TX
## 652 Schreiner University 41 TX
## 773 Hardin-Simmons University 35 TX
## 781 Texas Lutheran University 35 TX
## 782 Texas Tech University 35 TX
## 853 University of Mary Hardin-Baylor 31 TX
## 854 University of St. Thomas 31 TX
## 860 Lubbock Christian University 30 TX
## 870 University of North Texas 30 TX
## 881 Houston Baptist University 29 TX
## 886 Sam Houston State University 29 TX
## 892 University of the Incarnate Word 29 TX
## 903 McMurry University 28 TX
## 933 Texas State University 27 TX
## 955 Our Lady of the Lake University 26 TX
## 958 Stephen F. Austin State University 26 TX
## 966 Angelo State University 25 TX
## 979 University of Houston 25 TX
## 981 University of Texas--Tyler 25 TX
## 984 West Texas A&M University 25 TX
## 1002 Texas A&M University--Commerce 24 TX
## 1003 Texas Wesleyan University 24 TX
## 1004 University of Texas of the Permian Basin 24 TX
## 1038 Texas A&M International University 22 TX
## 1040 University of Texas--Arlington 22 TX
## 1054 Southwestern Adventist University 21 TX
## 1069 Midwestern State University 20 TX
## 1086 East Texas Baptist University 19 TX
## 1093 Texas A&M University--Kingsville 19 TX
## 1094 Texas Woman's University 19 TX
## 1112 Texas A&M University--Texarkana 18 TX
## 1138 Texas A&M University--Corpus Christi 16 TX
## 1153 University of Texas--San Antonio 15 TX
## 1176 Prairie View A&M University 13 TX
## 1226 Texas Southern University 8 TX
## 1229 Jarvis Christian College 7 TX
## 1240 Wayland Baptist University 6 TX
## 1246 University of Houston--Downtown 3 TX
## School rate State
## 61 Rice University 83 TX
## 148 Trinity University 72 TX
## 162 Southern Methodist University 71 TX
## 184 Texas Christian University 69 TX
## 209 Southwestern University 67 TX
## School rate State
## 1176 Prairie View A&M University 13 TX
## 1226 Texas Southern University 8 TX
## 1229 Jarvis Christian College 7 TX
## 1240 Wayland Baptist University 6 TX
## 1246 University of Houston--Downtown 3 TX
## [1] "Rice University"
## [1] "University of Houston--Downtown"