some extra datasets for tutorial

diff --git a/data/week_04/iris.csv b/data/week_04/iris.csv
new file mode 100644 (file)
index 0000000..8b63930
--- /dev/null
+++ b/data/week_04/iris.csv
@@ -0,0 +1,151 @@
+Sepal.Length,Sepal.Width,Petal.Length,Petal.Width,Species
+5.1,3.5,1.4,0.2,setosa
+4.9,3,1.4,0.2,setosa
+4.7,3.2,1.3,0.2,setosa
+4.6,3.1,1.5,0.2,setosa
+5,3.6,1.4,0.2,setosa
+5.4,3.9,1.7,0.4,setosa
+4.6,3.4,1.4,0.3,setosa
+5,3.4,1.5,0.2,setosa
+4.4,2.9,1.4,0.2,setosa
+4.9,3.1,1.5,0.1,setosa
+5.4,3.7,1.5,0.2,setosa
+4.8,3.4,1.6,0.2,setosa
+4.8,3,1.4,0.1,setosa
+4.3,3,1.1,0.1,setosa
+5.8,4,1.2,0.2,setosa
+5.7,4.4,1.5,0.4,setosa
+5.4,3.9,1.3,0.4,setosa
+5.1,3.5,1.4,0.3,setosa
+5.7,3.8,1.7,0.3,setosa
+5.1,3.8,1.5,0.3,setosa
+5.4,3.4,1.7,0.2,setosa
+5.1,3.7,1.5,0.4,setosa
+4.6,3.6,1,0.2,setosa
+5.1,3.3,1.7,0.5,setosa
+4.8,3.4,1.9,0.2,setosa
+5,3,1.6,0.2,setosa
+5,3.4,1.6,0.4,setosa
+5.2,3.5,1.5,0.2,setosa
+5.2,3.4,1.4,0.2,setosa
+4.7,3.2,1.6,0.2,setosa
+4.8,3.1,1.6,0.2,setosa
+5.4,3.4,1.5,0.4,setosa
+5.2,4.1,1.5,0.1,setosa
+5.5,4.2,1.4,0.2,setosa
+4.9,3.1,1.5,0.2,setosa
+5,3.2,1.2,0.2,setosa
+5.5,3.5,1.3,0.2,setosa
+4.9,3.6,1.4,0.1,setosa
+4.4,3,1.3,0.2,setosa
+5.1,3.4,1.5,0.2,setosa
+5,3.5,1.3,0.3,setosa
+4.5,2.3,1.3,0.3,setosa
+4.4,3.2,1.3,0.2,setosa
+5,3.5,1.6,0.6,setosa
+5.1,3.8,1.9,0.4,setosa
+4.8,3,1.4,0.3,setosa
+5.1,3.8,1.6,0.2,setosa
+4.6,3.2,1.4,0.2,setosa
+5.3,3.7,1.5,0.2,setosa
+5,3.3,1.4,0.2,setosa
+7,3.2,4.7,1.4,versicolor
+6.4,3.2,4.5,1.5,versicolor
+6.9,3.1,4.9,1.5,versicolor
+5.5,2.3,4,1.3,versicolor
+6.5,2.8,4.6,1.5,versicolor
+5.7,2.8,4.5,1.3,versicolor
+6.3,3.3,4.7,1.6,versicolor
+4.9,2.4,3.3,1,versicolor
+6.6,2.9,4.6,1.3,versicolor
+5.2,2.7,3.9,1.4,versicolor
+5,2,3.5,1,versicolor
+5.9,3,4.2,1.5,versicolor
+6,2.2,4,1,versicolor
+6.1,2.9,4.7,1.4,versicolor
+5.6,2.9,3.6,1.3,versicolor
+6.7,3.1,4.4,1.4,versicolor
+5.6,3,4.5,1.5,versicolor
+5.8,2.7,4.1,1,versicolor
+6.2,2.2,4.5,1.5,versicolor
+5.6,2.5,3.9,1.1,versicolor
+5.9,3.2,4.8,1.8,versicolor
+6.1,2.8,4,1.3,versicolor
+6.3,2.5,4.9,1.5,versicolor
+6.1,2.8,4.7,1.2,versicolor
+6.4,2.9,4.3,1.3,versicolor
+6.6,3,4.4,1.4,versicolor
+6.8,2.8,4.8,1.4,versicolor
+6.7,3,5,1.7,versicolor
+6,2.9,4.5,1.5,versicolor
+5.7,2.6,3.5,1,versicolor
+5.5,2.4,3.8,1.1,versicolor
+5.5,2.4,3.7,1,versicolor
+5.8,2.7,3.9,1.2,versicolor
+6,2.7,5.1,1.6,versicolor
+5.4,3,4.5,1.5,versicolor
+6,3.4,4.5,1.6,versicolor
+6.7,3.1,4.7,1.5,versicolor
+6.3,2.3,4.4,1.3,versicolor
+5.6,3,4.1,1.3,versicolor
+5.5,2.5,4,1.3,versicolor
+5.5,2.6,4.4,1.2,versicolor
+6.1,3,4.6,1.4,versicolor
+5.8,2.6,4,1.2,versicolor
+5,2.3,3.3,1,versicolor
+5.6,2.7,4.2,1.3,versicolor
+5.7,3,4.2,1.2,versicolor
+5.7,2.9,4.2,1.3,versicolor
+6.2,2.9,4.3,1.3,versicolor
+5.1,2.5,3,1.1,versicolor
+5.7,2.8,4.1,1.3,versicolor
+6.3,3.3,6,2.5,virginica
+5.8,2.7,5.1,1.9,virginica
+7.1,3,5.9,2.1,virginica
+6.3,2.9,5.6,1.8,virginica
+6.5,3,5.8,2.2,virginica
+7.6,3,6.6,2.1,virginica
+4.9,2.5,4.5,1.7,virginica
+7.3,2.9,6.3,1.8,virginica
+6.7,2.5,5.8,1.8,virginica
+7.2,3.6,6.1,2.5,virginica
+6.5,3.2,5.1,2,virginica
+6.4,2.7,5.3,1.9,virginica
+6.8,3,5.5,2.1,virginica
+5.7,2.5,5,2,virginica
+5.8,2.8,5.1,2.4,virginica
+6.4,3.2,5.3,2.3,virginica
+6.5,3,5.5,1.8,virginica
+7.7,3.8,6.7,2.2,virginica
+7.7,2.6,6.9,2.3,virginica
+6,2.2,5,1.5,virginica
+6.9,3.2,5.7,2.3,virginica
+5.6,2.8,4.9,2,virginica
+7.7,2.8,6.7,2,virginica
+6.3,2.7,4.9,1.8,virginica
+6.7,3.3,5.7,2.1,virginica
+7.2,3.2,6,1.8,virginica
+6.2,2.8,4.8,1.8,virginica
+6.1,3,4.9,1.8,virginica
+6.4,2.8,5.6,2.1,virginica
+7.2,3,5.8,1.6,virginica
+7.4,2.8,6.1,1.9,virginica
+7.9,3.8,6.4,2,virginica
+6.4,2.8,5.6,2.2,virginica
+6.3,2.8,5.1,1.5,virginica
+6.1,2.6,5.6,1.4,virginica
+7.7,3,6.1,2.3,virginica
+6.3,3.4,5.6,2.4,virginica
+6.4,3.1,5.5,1.8,virginica
+6,3,4.8,1.8,virginica
+6.9,3.1,5.4,2.1,virginica
+6.7,3.1,5.6,2.4,virginica
+6.9,3.1,5.1,2.3,virginica
+5.8,2.7,5.1,1.9,virginica
+6.8,3.2,5.9,2.3,virginica
+6.7,3.3,5.7,2.5,virginica
+6.7,3,5.2,2.3,virginica
+6.3,2.5,5,1.9,virginica
+6.5,3,5.2,2,virginica
+6.2,3.4,5.4,2.3,virginica
+5.9,3,5.1,1.8,virginica

diff --git a/data/week_04/mtcars.csv b/data/week_04/mtcars.csv
new file mode 100644 (file)
index 0000000..a22b9c2
--- /dev/null
+++ b/data/week_04/mtcars.csv
@@ -0,0 +1,33 @@
+"","mpg","cyl","disp","hp","drat","wt","qsec","vs","am","gear","carb"
+"Mazda RX4",21,6,160,110,3.9,2.62,16.46,0,1,4,4
+"Mazda RX4 Wag",21,6,160,110,3.9,2.875,17.02,0,1,4,4
+"Datsun 710",22.8,4,108,93,3.85,2.32,18.61,1,1,4,1
+"Hornet 4 Drive",21.4,6,258,110,3.08,3.215,19.44,1,0,3,1
+"Hornet Sportabout",18.7,8,360,175,3.15,3.44,17.02,0,0,3,2
+"Valiant",18.1,6,225,105,2.76,3.46,20.22,1,0,3,1
+"Duster 360",14.3,8,360,245,3.21,3.57,15.84,0,0,3,4
+"Merc 240D",24.4,4,146.7,62,3.69,3.19,20,1,0,4,2
+"Merc 230",22.8,4,140.8,95,3.92,3.15,22.9,1,0,4,2
+"Merc 280",19.2,6,167.6,123,3.92,3.44,18.3,1,0,4,4
+"Merc 280C",17.8,6,167.6,123,3.92,3.44,18.9,1,0,4,4
+"Merc 450SE",16.4,8,275.8,180,3.07,4.07,17.4,0,0,3,3
+"Merc 450SL",17.3,8,275.8,180,3.07,3.73,17.6,0,0,3,3
+"Merc 450SLC",15.2,8,275.8,180,3.07,3.78,18,0,0,3,3
+"Cadillac Fleetwood",10.4,8,472,205,2.93,5.25,17.98,0,0,3,4
+"Lincoln Continental",10.4,8,460,215,3,5.424,17.82,0,0,3,4
+"Chrysler Imperial",14.7,8,440,230,3.23,5.345,17.42,0,0,3,4
+"Fiat 128",32.4,4,78.7,66,4.08,2.2,19.47,1,1,4,1
+"Honda Civic",30.4,4,75.7,52,4.93,1.615,18.52,1,1,4,2
+"Toyota Corolla",33.9,4,71.1,65,4.22,1.835,19.9,1,1,4,1
+"Toyota Corona",21.5,4,120.1,97,3.7,2.465,20.01,1,0,3,1
+"Dodge Challenger",15.5,8,318,150,2.76,3.52,16.87,0,0,3,2
+"AMC Javelin",15.2,8,304,150,3.15,3.435,17.3,0,0,3,2
+"Camaro Z28",13.3,8,350,245,3.73,3.84,15.41,0,0,3,4
+"Pontiac Firebird",19.2,8,400,175,3.08,3.845,17.05,0,0,3,2
+"Fiat X1-9",27.3,4,79,66,4.08,1.935,18.9,1,1,4,1
+"Porsche 914-2",26,4,120.3,91,4.43,2.14,16.7,0,1,5,2
+"Lotus Europa",30.4,4,95.1,113,3.77,1.513,16.9,1,1,5,2
+"Ford Pantera L",15.8,8,351,264,4.22,3.17,14.5,0,1,5,4
+"Ferrari Dino",19.7,6,145,175,3.62,2.77,15.5,0,1,5,6
+"Maserati Bora",15,8,301,335,3.54,3.57,14.6,0,1,5,8
+"Volvo 142E",21.4,4,121,109,4.11,2.78,18.6,1,1,4,2