Delete dm_math/sample_data

dm_math/sample_data/anscombe.json

@@ -1,49 +0,0 @@
-[
-  {"Series":"I", "X":10.0, "Y":8.04},
-  {"Series":"I", "X":8.0, "Y":6.95},
-  {"Series":"I", "X":13.0, "Y":7.58},
-  {"Series":"I", "X":9.0, "Y":8.81},
-  {"Series":"I", "X":11.0, "Y":8.33},
-  {"Series":"I", "X":14.0, "Y":9.96},
-  {"Series":"I", "X":6.0, "Y":7.24},
-  {"Series":"I", "X":4.0, "Y":4.26},
-  {"Series":"I", "X":12.0, "Y":10.84},
-  {"Series":"I", "X":7.0, "Y":4.81},
-  {"Series":"I", "X":5.0, "Y":5.68},
-
-  {"Series":"II", "X":10.0, "Y":9.14},
-  {"Series":"II", "X":8.0, "Y":8.14},
-  {"Series":"II", "X":13.0, "Y":8.74},
-  {"Series":"II", "X":9.0, "Y":8.77},
-  {"Series":"II", "X":11.0, "Y":9.26},
-  {"Series":"II", "X":14.0, "Y":8.10},
-  {"Series":"II", "X":6.0, "Y":6.13},
-  {"Series":"II", "X":4.0, "Y":3.10},
-  {"Series":"II", "X":12.0, "Y":9.13},
-  {"Series":"II", "X":7.0, "Y":7.26},
-  {"Series":"II", "X":5.0, "Y":4.74},
-
-  {"Series":"III", "X":10.0, "Y":7.46},
-  {"Series":"III", "X":8.0, "Y":6.77},
-  {"Series":"III", "X":13.0, "Y":12.74},
-  {"Series":"III", "X":9.0, "Y":7.11},
-  {"Series":"III", "X":11.0, "Y":7.81},
-  {"Series":"III", "X":14.0, "Y":8.84},
-  {"Series":"III", "X":6.0, "Y":6.08},
-  {"Series":"III", "X":4.0, "Y":5.39},
-  {"Series":"III", "X":12.0, "Y":8.15},
-  {"Series":"III", "X":7.0, "Y":6.42},
-  {"Series":"III", "X":5.0, "Y":5.73},
-
-  {"Series":"IV", "X":8.0, "Y":6.58},
-  {"Series":"IV", "X":8.0, "Y":5.76},
-  {"Series":"IV", "X":8.0, "Y":7.71},
-  {"Series":"IV", "X":8.0, "Y":8.84},
-  {"Series":"IV", "X":8.0, "Y":8.47},
-  {"Series":"IV", "X":8.0, "Y":7.04},
-  {"Series":"IV", "X":8.0, "Y":5.25},
-  {"Series":"IV", "X":19.0, "Y":12.50},
-  {"Series":"IV", "X":8.0, "Y":5.56},
-  {"Series":"IV", "X":8.0, "Y":7.91},
-  {"Series":"IV", "X":8.0, "Y":6.89}
-]