Project 1

Load and Clean

load the text file and remove the data that will not be used for this project

str <- read.csv(file="tournamentinfo.txt", header=FALSE, sep="|")
str <- str |> filter(!str_detect(V1, "^-+$"))
str <- str[3 : nrow(str), ]

Isolation

will isolate data based on it’s regex matches and filter rows that contains such matches

names_collecter <- str |> filter(str_detect(V2, "[A-Z] [A-Z]"))
state_collecter <- str |> filter(str_detect(V1, "[A-Z][A-Z]"))
points_collector <-  str |> filter(str_detect(V3, "\\d+\\.\\d")) 
pre_rating_collector <- str |> filter(str_detect(V2, "\\d+"))
pre_rating_collector <- pre_rating_collector |> mutate(V2 =str_extract(V2,":\\s+\\d+"))
pre_rating_collector <- pre_rating_collector |> mutate(V2 = str_remove_all(V2, " "))
pre_rating_collector <- pre_rating_collector |> mutate(V2 = str_remove_all(V2, ":"))

Table Without Calculations

here will create our table that doesnt not have the avg_pre_rating calculations yet

tab <- tibble(player_name = names_collecter$V2, state = state_collecter$V1, total_points = points_collector$V3, pre_rating = pre_rating_collector$V2)
tab <- transform(tab, pre_rating = as.integer(pre_rating))

kable(tab)
player_name state total_points pre_rating
GARY HUA ON 6.0 1794
DAKSHESH DARURI MI 6.0 1553
ADITYA BAJAJ MI 6.0 1384
PATRICK H SCHILLING MI 5.5 1716
HANSHI ZUO MI 5.5 1655
HANSEN SONG OH 5.0 1686
GARY DEE SWATHELL MI 5.0 1649
EZEKIEL HOUGHTON MI 5.0 1641
STEFANO LEE ON 5.0 1411
ANVIT RAO MI 5.0 1365
CAMERON WILLIAM MC LEMAN MI 4.5 1712
KENNETH J TACK MI 4.5 1663
TORRANCE HENRY JR MI 4.5 1666
BRADLEY SHAW MI 4.5 1610
ZACHARY JAMES HOUGHTON MI 4.5 1220
MIKE NIKITIN MI 4.0 1604
RONALD GRZEGORCZYK MI 4.0 1629
DAVID SUNDEEN MI 4.0 1600
DIPANKAR ROY MI 4.0 1564
JASON ZHENG MI 4.0 1595
DINH DANG BUI ON 4.0 1563
EUGENE L MCCLURE MI 4.0 1555
ALAN BUI ON 4.0 1363
MICHAEL R ALDRICH MI 4.0 1229
LOREN SCHWIEBERT MI 3.5 1745
MAX ZHU ON 3.5 1579
GAURAV GIDWANI MI 3.5 1552
SOFIA ADINA STANESCU-BELLU MI 3.5 1507
CHIEDOZIE OKORIE MI 3.5 1602
GEORGE AVERY JONES ON 3.5 1522
RISHI SHETTY MI 3.5 1494
JOSHUA PHILIP MATHEWS ON 3.5 1441
JADE GE MI 3.5 1449
MICHAEL JEFFERY THOMAS MI 3.5 1399
JOSHUA DAVID LEE MI 3.5 1438
SIDDHARTH JHA MI 3.5 1355
AMIYATOSH PWNANANDAM MI 3.5 980
BRIAN LIU MI 3.0 1423
JOEL R HENDON MI 3.0 1436
FOREST ZHANG MI 3.0 1348
KYLE WILLIAM MURPHY MI 3.0 1403
JARED GE MI 3.0 1332
ROBERT GLEN VASEY MI 3.0 1283
JUSTIN D SCHILLING MI 3.0 1199
DEREK YAN MI 3.0 1242
JACOB ALEXANDER LAVALLEY MI 3.0 377
ERIC WRIGHT MI 2.5 1362
DANIEL KHAIN MI 2.5 1382
MICHAEL J MARTIN MI 2.5 1291
SHIVAM JHA MI 2.5 1056
TEJAS AYYAGARI MI 2.5 1011
ETHAN GUO MI 2.5 935
JOSE C YBARRA MI 2.0 1393
LARRY HODGE MI 2.0 1270
ALEX KONG MI 2.0 1186
MARISA RICCI MI 2.0 1153
MICHAEL LU MI 2.0 1092
VIRAJ MOHILE MI 2.0 917
SEAN M MC CORMICK MI 2.0 853
JULIA SHEN MI 1.5 967
JEZZEL FARKAS ON 1.5 955
ASHWIN BALAJI MI 1.0 1530
THOMAS JOSEPH HOSMER MI 1.0 1175
BEN LI MI 1.0 1163

Calculate Average Pre Rating

will calculate average_pre_rating

avg_pre_vector <- c()
for(i in 1:nrow(points_collector)) {
    count = 0
    adder = 0
    for (j in 5 : ncol(points_collector) - 1){
        if(str_detect(points_collector[i,j] ,"L|D|W") ){
          index_str = str_extract(points_collector[i,j], "\\d+" )
          index = strtoi(index_str)
          adder = adder + tab[index, "pre_rating"]
          count <- count + 1
        }
    }
    avg_pre_vector <- append(avg_pre_vector, round(adder / count))
}

kable(avg_pre_vector)
x
1605
1469
1564
1574
1501
1519
1372
1468
1523
1554
1468
1506
1498
1515
1484
1386
1499
1480
1426
1411
1470
1300
1214
1357
1363
1507
1222
1522
1314
1144
1260
1379
1277
1375
1150
1388
1385
1539
1430
1391
1248
1150
1107
1327
1152
1358
1392
1356
1286
1296
1356
1495
1345
1206
1406
1414
1363
1391
1319
1330
1327
1186
1350
1263

Attach Calculations and Write CSV

tab <- tab |> mutate(avg_pre_rating = avg_pre_vector)

write_csv(tab, file = "results.csv")
kable(tab)
player_name state total_points pre_rating avg_pre_rating
GARY HUA ON 6.0 1794 1605
DAKSHESH DARURI MI 6.0 1553 1469
ADITYA BAJAJ MI 6.0 1384 1564
PATRICK H SCHILLING MI 5.5 1716 1574
HANSHI ZUO MI 5.5 1655 1501
HANSEN SONG OH 5.0 1686 1519
GARY DEE SWATHELL MI 5.0 1649 1372
EZEKIEL HOUGHTON MI 5.0 1641 1468
STEFANO LEE ON 5.0 1411 1523
ANVIT RAO MI 5.0 1365 1554
CAMERON WILLIAM MC LEMAN MI 4.5 1712 1468
KENNETH J TACK MI 4.5 1663 1506
TORRANCE HENRY JR MI 4.5 1666 1498
BRADLEY SHAW MI 4.5 1610 1515
ZACHARY JAMES HOUGHTON MI 4.5 1220 1484
MIKE NIKITIN MI 4.0 1604 1386
RONALD GRZEGORCZYK MI 4.0 1629 1499
DAVID SUNDEEN MI 4.0 1600 1480
DIPANKAR ROY MI 4.0 1564 1426
JASON ZHENG MI 4.0 1595 1411
DINH DANG BUI ON 4.0 1563 1470
EUGENE L MCCLURE MI 4.0 1555 1300
ALAN BUI ON 4.0 1363 1214
MICHAEL R ALDRICH MI 4.0 1229 1357
LOREN SCHWIEBERT MI 3.5 1745 1363
MAX ZHU ON 3.5 1579 1507
GAURAV GIDWANI MI 3.5 1552 1222
SOFIA ADINA STANESCU-BELLU MI 3.5 1507 1522
CHIEDOZIE OKORIE MI 3.5 1602 1314
GEORGE AVERY JONES ON 3.5 1522 1144
RISHI SHETTY MI 3.5 1494 1260
JOSHUA PHILIP MATHEWS ON 3.5 1441 1379
JADE GE MI 3.5 1449 1277
MICHAEL JEFFERY THOMAS MI 3.5 1399 1375
JOSHUA DAVID LEE MI 3.5 1438 1150
SIDDHARTH JHA MI 3.5 1355 1388
AMIYATOSH PWNANANDAM MI 3.5 980 1385
BRIAN LIU MI 3.0 1423 1539
JOEL R HENDON MI 3.0 1436 1430
FOREST ZHANG MI 3.0 1348 1391
KYLE WILLIAM MURPHY MI 3.0 1403 1248
JARED GE MI 3.0 1332 1150
ROBERT GLEN VASEY MI 3.0 1283 1107
JUSTIN D SCHILLING MI 3.0 1199 1327
DEREK YAN MI 3.0 1242 1152
JACOB ALEXANDER LAVALLEY MI 3.0 377 1358
ERIC WRIGHT MI 2.5 1362 1392
DANIEL KHAIN MI 2.5 1382 1356
MICHAEL J MARTIN MI 2.5 1291 1286
SHIVAM JHA MI 2.5 1056 1296
TEJAS AYYAGARI MI 2.5 1011 1356
ETHAN GUO MI 2.5 935 1495
JOSE C YBARRA MI 2.0 1393 1345
LARRY HODGE MI 2.0 1270 1206
ALEX KONG MI 2.0 1186 1406
MARISA RICCI MI 2.0 1153 1414
MICHAEL LU MI 2.0 1092 1363
VIRAJ MOHILE MI 2.0 917 1391
SEAN M MC CORMICK MI 2.0 853 1319
JULIA SHEN MI 1.5 967 1330
JEZZEL FARKAS ON 1.5 955 1327
ASHWIN BALAJI MI 1.0 1530 1186
THOMAS JOSEPH HOSMER MI 1.0 1175 1350
BEN LI MI 1.0 1163 1263