Add some sample data files

package/data/Cars.csv

+"id","speed","dist"
+"1",4,2
+"2",4,10
+"3",7,4
+"4",7,22
+"5",8,16
+"6",9,10
+"7",10,18
+"8",10,26
+"9",10,34
+"10",11,17
+"11",11,28
+"12",12,14
+"13",12,20
+"14",12,24
+"15",12,28
+"16",13,26
+"17",13,34
+"18",13,34
+"19",13,46
+"20",14,26
+"21",14,36
+"22",14,60
+"23",14,80
+"24",15,20
+"25",15,26
+"26",15,54
+"27",16,32
+"28",16,40
+"29",17,32
+"30",17,40
+"31",17,50
+"32",18,42
+"33",18,56
+"34",18,76
+"35",18,84
+"36",19,36
+"37",19,46
+"38",19,68
+"39",20,32
+"40",20,48
+"41",20,52
+"42",20,56
+"43",20,64
+"44",22,66
+"45",23,54
+"46",24,70
+"47",24,92
+"48",24,93
+"49",24,120
+"50",25,85
\ No newline at end of file

package/data/Iris.csv

+"rowid","Sepal.Length","Sepal.Width","Petal.Length","Petal.Width","Species"
+"1",5.1,3.5,1.4,0.2,"setosa"
+"2",4.9,3,1.4,0.2,"setosa"
+"3",4.7,3.2,1.3,0.2,"setosa"
+"4",4.6,3.1,1.5,0.2,"setosa"
+"5",5,3.6,1.4,0.2,"setosa"
+"6",5.4,3.9,1.7,0.4,"setosa"
+"7",4.6,3.4,1.4,0.3,"setosa"
+"8",5,3.4,1.5,0.2,"setosa"
+"9",4.4,2.9,1.4,0.2,"setosa"
+"10",4.9,3.1,1.5,0.1,"setosa"
+"11",5.4,3.7,1.5,0.2,"setosa"
+"12",4.8,3.4,1.6,0.2,"setosa"
+"13",4.8,3,1.4,0.1,"setosa"
+"14",4.3,3,1.1,0.1,"setosa"
+"15",5.8,4,1.2,0.2,"setosa"
+"16",5.7,4.4,1.5,0.4,"setosa"
+"17",5.4,3.9,1.3,0.4,"setosa"
+"18",5.1,3.5,1.4,0.3,"setosa"
+"19",5.7,3.8,1.7,0.3,"setosa"
+"20",5.1,3.8,1.5,0.3,"setosa"
+"21",5.4,3.4,1.7,0.2,"setosa"
+"22",5.1,3.7,1.5,0.4,"setosa"
+"23",4.6,3.6,1,0.2,"setosa"
+"24",5.1,3.3,1.7,0.5,"setosa"
+"25",4.8,3.4,1.9,0.2,"setosa"
+"26",5,3,1.6,0.2,"setosa"
+"27",5,3.4,1.6,0.4,"setosa"
+"28",5.2,3.5,1.5,0.2,"setosa"
+"29",5.2,3.4,1.4,0.2,"setosa"
+"30",4.7,3.2,1.6,0.2,"setosa"
+"31",4.8,3.1,1.6,0.2,"setosa"
+"32",5.4,3.4,1.5,0.4,"setosa"
+"33",5.2,4.1,1.5,0.1,"setosa"
+"34",5.5,4.2,1.4,0.2,"setosa"
+"35",4.9,3.1,1.5,0.2,"setosa"
+"36",5,3.2,1.2,0.2,"setosa"
+"37",5.5,3.5,1.3,0.2,"setosa"
+"38",4.9,3.6,1.4,0.1,"setosa"
+"39",4.4,3,1.3,0.2,"setosa"
+"40",5.1,3.4,1.5,0.2,"setosa"
+"41",5,3.5,1.3,0.3,"setosa"
+"42",4.5,2.3,1.3,0.3,"setosa"
+"43",4.4,3.2,1.3,0.2,"setosa"
+"44",5,3.5,1.6,0.6,"setosa"
+"45",5.1,3.8,1.9,0.4,"setosa"
+"46",4.8,3,1.4,0.3,"setosa"
+"47",5.1,3.8,1.6,0.2,"setosa"
+"48",4.6,3.2,1.4,0.2,"setosa"
+"49",5.3,3.7,1.5,0.2,"setosa"
+"50",5,3.3,1.4,0.2,"setosa"
+"51",7,3.2,4.7,1.4,"versicolor"
+"52",6.4,3.2,4.5,1.5,"versicolor"
+"53",6.9,3.1,4.9,1.5,"versicolor"
+"54",5.5,2.3,4,1.3,"versicolor"
+"55",6.5,2.8,4.6,1.5,"versicolor"
+"56",5.7,2.8,4.5,1.3,"versicolor"
+"57",6.3,3.3,4.7,1.6,"versicolor"
+"58",4.9,2.4,3.3,1,"versicolor"
+"59",6.6,2.9,4.6,1.3,"versicolor"
+"60",5.2,2.7,3.9,1.4,"versicolor"
+"61",5,2,3.5,1,"versicolor"
+"62",5.9,3,4.2,1.5,"versicolor"
+"63",6,2.2,4,1,"versicolor"
+"64",6.1,2.9,4.7,1.4,"versicolor"
+"65",5.6,2.9,3.6,1.3,"versicolor"
+"66",6.7,3.1,4.4,1.4,"versicolor"
+"67",5.6,3,4.5,1.5,"versicolor"
+"68",5.8,2.7,4.1,1,"versicolor"
+"69",6.2,2.2,4.5,1.5,"versicolor"
+"70",5.6,2.5,3.9,1.1,"versicolor"
+"71",5.9,3.2,4.8,1.8,"versicolor"
+"72",6.1,2.8,4,1.3,"versicolor"
+"73",6.3,2.5,4.9,1.5,"versicolor"
+"74",6.1,2.8,4.7,1.2,"versicolor"
+"75",6.4,2.9,4.3,1.3,"versicolor"
+"76",6.6,3,4.4,1.4,"versicolor"
+"77",6.8,2.8,4.8,1.4,"versicolor"
+"78",6.7,3,5,1.7,"versicolor"
+"79",6,2.9,4.5,1.5,"versicolor"
+"80",5.7,2.6,3.5,1,"versicolor"
+"81",5.5,2.4,3.8,1.1,"versicolor"
+"82",5.5,2.4,3.7,1,"versicolor"
+"83",5.8,2.7,3.9,1.2,"versicolor"
+"84",6,2.7,5.1,1.6,"versicolor"
+"85",5.4,3,4.5,1.5,"versicolor"
+"86",6,3.4,4.5,1.6,"versicolor"
+"87",6.7,3.1,4.7,1.5,"versicolor"
+"88",6.3,2.3,4.4,1.3,"versicolor"
+"89",5.6,3,4.1,1.3,"versicolor"
+"90",5.5,2.5,4,1.3,"versicolor"
+"91",5.5,2.6,4.4,1.2,"versicolor"
+"92",6.1,3,4.6,1.4,"versicolor"
+"93",5.8,2.6,4,1.2,"versicolor"
+"94",5,2.3,3.3,1,"versicolor"
+"95",5.6,2.7,4.2,1.3,"versicolor"
+"96",5.7,3,4.2,1.2,"versicolor"
+"97",5.7,2.9,4.2,1.3,"versicolor"
+"98",6.2,2.9,4.3,1.3,"versicolor"
+"99",5.1,2.5,3,1.1,"versicolor"
+"100",5.7,2.8,4.1,1.3,"versicolor"
+"101",6.3,3.3,6,2.5,"virginica"
+"102",5.8,2.7,5.1,1.9,"virginica"
+"103",7.1,3,5.9,2.1,"virginica"
+"104",6.3,2.9,5.6,1.8,"virginica"
+"105",6.5,3,5.8,2.2,"virginica"
+"106",7.6,3,6.6,2.1,"virginica"
+"107",4.9,2.5,4.5,1.7,"virginica"
+"108",7.3,2.9,6.3,1.8,"virginica"
+"109",6.7,2.5,5.8,1.8,"virginica"
+"110",7.2,3.6,6.1,2.5,"virginica"
+"111",6.5,3.2,5.1,2,"virginica"
+"112",6.4,2.7,5.3,1.9,"virginica"
+"113",6.8,3,5.5,2.1,"virginica"
+"114",5.7,2.5,5,2,"virginica"
+"115",5.8,2.8,5.1,2.4,"virginica"
+"116",6.4,3.2,5.3,2.3,"virginica"
+"117",6.5,3,5.5,1.8,"virginica"
+"118",7.7,3.8,6.7,2.2,"virginica"
+"119",7.7,2.6,6.9,2.3,"virginica"
+"120",6,2.2,5,1.5,"virginica"
+"121",6.9,3.2,5.7,2.3,"virginica"
+"122",5.6,2.8,4.9,2,"virginica"
+"123",7.7,2.8,6.7,2,"virginica"
+"124",6.3,2.7,4.9,1.8,"virginica"
+"125",6.7,3.3,5.7,2.1,"virginica"
+"126",7.2,3.2,6,1.8,"virginica"
+"127",6.2,2.8,4.8,1.8,"virginica"
+"128",6.1,3,4.9,1.8,"virginica"
+"129",6.4,2.8,5.6,2.1,"virginica"
+"130",7.2,3,5.8,1.6,"virginica"
+"131",7.4,2.8,6.1,1.9,"virginica"
+"132",7.9,3.8,6.4,2,"virginica"
+"133",6.4,2.8,5.6,2.2,"virginica"
+"134",6.3,2.8,5.1,1.5,"virginica"
+"135",6.1,2.6,5.6,1.4,"virginica"
+"136",7.7,3,6.1,2.3,"virginica"
+"137",6.3,3.4,5.6,2.4,"virginica"
+"138",6.4,3.1,5.5,1.8,"virginica"
+"139",6,3,4.8,1.8,"virginica"
+"140",6.9,3.1,5.4,2.1,"virginica"
+"141",6.7,3.1,5.6,2.4,"virginica"
+"142",6.9,3.1,5.1,2.3,"virginica"
+"143",5.8,2.7,5.1,1.9,"virginica"
+"144",6.8,3.2,5.9,2.3,"virginica"
+"145",6.7,3.3,5.7,2.5,"virginica"
+"146",6.7,3,5.2,2.3,"virginica"
+"147",6.3,2.5,5,1.9,"virginica"
+"148",6.5,3,5.2,2,"virginica"
+"149",6.2,3.4,5.4,2.3,"virginica"
+"150",5.9,3,5.1,1.8,"virginica"
\ No newline at end of file

package/data/Logi.csv

+t,f
+0,3
+0,4
+0,5
+1,6
+1,7
+1,8
\ No newline at end of file

package/data/Pie.csv

+c,m
+A,100
+B,299
+C,490
\ No newline at end of file