diff --git a/Pipfile b/Pipfile
index 026b415..c750326 100644
--- a/Pipfile
+++ b/Pipfile
@@ -7,6 +7,9 @@ name = "pypi"
 ipykernel = "*"
 pandas = "*"
 jupyter = "*"
+scipy = "*"
+matplotlib = "*"
+seaborn = "*"
 
 [dev-packages]
 
diff --git a/Pipfile.lock b/Pipfile.lock
index 161181b..144f917 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "e495cfc00ab34a7c54e296ae9abfb131d7b67d8fb7676697dd6a1ec5976e4a7c"
+            "sha256": "76927ed95e0de5668160ccfcd430fdb91ab2b1597b3e55e14a89fb3855f05757"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -38,6 +38,13 @@
             ],
             "version": "==2.1.4"
         },
+        "cycler": {
+            "hashes": [
+                "sha256:1d8a5ae1ff6c5cf9b93e8811e581232ad8920aeec647c37316ceac982b08cb2d",
+                "sha256:cd7b2d1018258d7247a71425e9f26463dfb444d411c39569972f4ce586b0c9d8"
+            ],
+            "version": "==0.10.0"
+        },
         "decorator": {
             "hashes": [
                 "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
@@ -93,10 +100,10 @@
         },
         "ipywidgets": {
             "hashes": [
-                "sha256:ba46e7228b951191c2288478a6f321c67013c0674aff074c8ad32a9723729e1d",
-                "sha256:d2bea16c0f08df978f63b58c9e91ac4c4bcc0ba5f90ca9a34c310678597542c3"
+                "sha256:0f2b5cde9f272cb49d52f3f0889fdd1a7ae1e74f37b48dac35a83152780d2b7b",
+                "sha256:a3e224f430163f767047ab9a042fc55adbcab0c24bbe6cf9f306c4f89fdf0ba3"
             ],
-            "version": "==7.4.1"
+            "version": "==7.4.2"
         },
         "jedi": {
             "hashes": [
@@ -149,12 +156,74 @@
             ],
             "version": "==4.4.0"
         },
+        "kiwisolver": {
+            "hashes": [
+                "sha256:0ee4ed8b3ae8f5f712b0aa9ebd2858b5b232f1b9a96b0943dceb34df2a223bc3",
+                "sha256:0f7f532f3c94e99545a29f4c3f05637f4d2713e7fd91b4dd8abfc18340b86cd5",
+                "sha256:1a078f5dd7e99317098f0e0d490257fd0349d79363e8c923d5bb76428f318421",
+                "sha256:1aa0b55a0eb1bd3fa82e704f44fb8f16e26702af1a073cc5030eea399e617b56",
+                "sha256:2874060b91e131ceeff00574b7c2140749c9355817a4ed498e82a4ffa308ecbc",
+                "sha256:379d97783ba8d2934d52221c833407f20ca287b36d949b4bba6c75274bcf6363",
+                "sha256:3b791ddf2aefc56382aadc26ea5b352e86a2921e4e85c31c1f770f527eb06ce4",
+                "sha256:4329008a167fac233e398e8a600d1b91539dc33c5a3eadee84c0d4b04d4494fa",
+                "sha256:45813e0873bbb679334a161b28cb9606d9665e70561fd6caa8863e279b5e464b",
+                "sha256:53a5b27e6b5717bdc0125338a822605084054c80f382051fb945d2c0e6899a20",
+                "sha256:574f24b9805cb1c72d02b9f7749aa0cc0b81aa82571be5201aa1453190390ae5",
+                "sha256:66f82819ff47fa67a11540da96966fb9245504b7f496034f534b81cacf333861",
+                "sha256:79e5fe3ccd5144ae80777e12973027bd2f4f5e3ae8eb286cabe787bed9780138",
+                "sha256:83410258eb886f3456714eea4d4304db3a1fc8624623fc3f38a487ab36c0f653",
+                "sha256:8b6a7b596ce1d2a6d93c3562f1178ebd3b7bb445b3b0dd33b09f9255e312a965",
+                "sha256:9576cb63897fbfa69df60f994082c3f4b8e6adb49cccb60efb2a80a208e6f996",
+                "sha256:95a25d9f3449046ecbe9065be8f8380c03c56081bc5d41fe0fb964aaa30b2195",
+                "sha256:a424f048bebc4476620e77f3e4d1f282920cef9bc376ba16d0b8fe97eec87cde",
+                "sha256:aaec1cfd94f4f3e9a25e144d5b0ed1eb8a9596ec36d7318a504d813412563a85",
+                "sha256:acb673eecbae089ea3be3dcf75bfe45fc8d4dcdc951e27d8691887963cf421c7",
+                "sha256:b15bc8d2c2848a4a7c04f76c9b3dc3561e95d4dabc6b4f24bfabe5fd81a0b14f",
+                "sha256:b1c240d565e977d80c0083404c01e4d59c5772c977fae2c483f100567f50847b",
+                "sha256:c595693de998461bcd49b8d20568c8870b3209b8ea323b2a7b0ea86d85864694",
+                "sha256:ce3be5d520b4d2c3e5eeb4cd2ef62b9b9ab8ac6b6fedbaa0e39cdb6f50644278",
+                "sha256:e0f910f84b35c36a3513b96d816e6442ae138862257ae18a0019d2fc67b041dc",
+                "sha256:ea36e19ac0a483eea239320aef0bd40702404ff8c7e42179a2d9d36c5afcb55c",
+                "sha256:efabbcd4f406b532206b8801058c8bab9e79645b9880329253ae3322b7b02cd5",
+                "sha256:f923406e6b32c86309261b8195e24e18b6a8801df0cfc7814ac44017bfcb3939"
+            ],
+            "markers": "python_version != '3.1.*' and python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.2.*' and python_version != '3.3.*'",
+            "version": "==1.0.1"
+        },
         "markupsafe": {
             "hashes": [
                 "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
             ],
             "version": "==1.0"
         },
+        "matplotlib": {
+            "hashes": [
+                "sha256:0ba8e3ec1b0feddc6b068fe70dc38dcf2917e301ad8d2b3f848c14ad463a4157",
+                "sha256:10a48e33e64dbd95f0776ba162f379c5cc55301c2d155506e79ce0c26b52f2ce",
+                "sha256:1376535fe731adbba55ab9e48896de226b7e89dbb55390c5fbd8f7161b7ae3be",
+                "sha256:16f0f8ba22df1e2c9f06c87088de45742322fde282a93b5c744c0f969cf7932e",
+                "sha256:1c6c999f2212858021329537f8e0f98f3f29086ec3683511dd1ecec84409f51d",
+                "sha256:2316dc177fc7b3d8848b49365498de0c385b4c9bba511edddd24c34fbe3d37a4",
+                "sha256:3398bfb533482bf21974cecf28224dd23784ad4e4848be582903f7a2436ec12e",
+                "sha256:3477cb1e1061b34210acc43d20050be8444478ff50b8adfac5fe2b45fc97df01",
+                "sha256:3cc06333b8264428d02231804e2e726b902e9161dc16f573183dee6cb7ef621f",
+                "sha256:4259ea7cb2c238355ee13275eddd261d869cefbdeb18a65f35459589d6d17def",
+                "sha256:4addcf93234b6122f530f90f485fd3d00d158911fbc1ed24db3fa66cd49fe565",
+                "sha256:50c0e24bcbce9c54346f4a2f4e97b0ed111f0413ac3fe9954061ae1c8aa7021f",
+                "sha256:62ed7597d9e54db6e133420d779c642503c25eba390e1178d85dfb2ba0d05948",
+                "sha256:69f6d51e41a17f6a5f70c56bb10b8ded9f299609204495a7fa2782a3a755ffc5",
+                "sha256:6d232e49b74e3d2db22c63c25a9a0166d965e87e2b057f795487f1f244b61d9d",
+                "sha256:7355bf757ecacd5f0ac9dd9523c8e1a1103faadf8d33c22664178e17533f8ce5",
+                "sha256:886b1045c5105631f10c1cbc999f910e44d33af3e9c7efd68c2123efc06ab636",
+                "sha256:9e1f353edd7fc7e5e9101abd5bc0201946f77a1b59e0da49095086c03db856ed",
+                "sha256:b3a343dfcbe296dbe0f26c731beee72a792ff948407e6979524298ae7bc3234e",
+                "sha256:d93675af09ca497a25f4f8d62f3313cf0f21e45427a87487049fe84898b99909",
+                "sha256:e2409ef9d37804dfb566f39c962e6ed70f281ff516b8131b3e6b4e6442711ff1",
+                "sha256:f8b653b0f89938ba72e92ab080c2f3aa24c1b72e2f61add22880cd1b9a6e3cdd"
+            ],
+            "index": "pypi",
+            "version": "==2.2.3"
+        },
         "mistune": {
             "hashes": [
                 "sha256:b4c512ce2fc99e5a62eb95a4aba4b73e5f90264115c40b70a21e1f7d4e0eac91",
@@ -300,6 +369,13 @@
             ],
             "version": "==2.2.0"
         },
+        "pyparsing": {
+            "hashes": [
+                "sha256:0832bcf47acd283788593e7a0f542407bd9550a55a8a8435214a1960e04bcb04",
+                "sha256:fee43f17a9c4087e7ed1605bd6df994c6173c1e977d7ade7b651292fab2bd010"
+            ],
+            "version": "==2.2.0"
+        },
         "python-dateutil": {
             "hashes": [
                 "sha256:1adb80e7a782c12e52ef9a8182bebeb73f1d7e24e374397af06fb4956c8dc5c0",
@@ -352,6 +428,48 @@
             ],
             "version": "==4.4.1"
         },
+        "scipy": {
+            "hashes": [
+                "sha256:0611ee97296265af4a21164a5323f8c1b4e8e15c582d3dfa7610825900136bb7",
+                "sha256:08237eda23fd8e4e54838258b124f1cd141379a5f281b0a234ca99b38918c07a",
+                "sha256:0e645dbfc03f279e1946cf07c9c754c2a1859cb4a41c5f70b25f6b3a586b6dbd",
+                "sha256:0e9bb7efe5f051ea7212555b290e784b82f21ffd0f655405ac4f87e288b730b3",
+                "sha256:108c16640849e5827e7d51023efb3bd79244098c3f21e4897a1007720cb7ce37",
+                "sha256:340ef70f5b0f4e2b4b43c8c8061165911bc6b2ad16f8de85d9774545e2c47463",
+                "sha256:3ad73dfc6f82e494195144bd3a129c7241e761179b7cb5c07b9a0ede99c686f3",
+                "sha256:3b243c77a822cd034dad53058d7c2abf80062aa6f4a32e9799c95d6391558631",
+                "sha256:404a00314e85eca9d46b80929571b938e97a143b4f2ddc2b2b3c91a4c4ead9c5",
+                "sha256:423b3ff76957d29d1cce1bc0d62ebaf9a3fdfaf62344e3fdec14619bb7b5ad3a",
+                "sha256:42d9149a2fff7affdd352d157fa5717033767857c11bd55aa4a519a44343dfef",
+                "sha256:625f25a6b7d795e8830cb70439453c9f163e6870e710ec99eba5722775b318f3",
+                "sha256:698c6409da58686f2df3d6f815491fd5b4c2de6817a45379517c92366eea208f",
+                "sha256:729f8f8363d32cebcb946de278324ab43d28096f36593be6281ca1ee86ce6559",
+                "sha256:8190770146a4c8ed5d330d5b5ad1c76251c63349d25c96b3094875b930c44692",
+                "sha256:878352408424dffaa695ffedf2f9f92844e116686923ed9aa8626fc30d32cfd1",
+                "sha256:8b984f0821577d889f3c7ca8445564175fb4ac7c7f9659b7c60bef95b2b70e76",
+                "sha256:8f841bbc21d3dad2111a94c490fb0a591b8612ffea86b8e5571746ae76a3deac",
+                "sha256:c22b27371b3866c92796e5d7907e914f0e58a36d3222c5d436ddd3f0e354227a",
+                "sha256:d0cdd5658b49a722783b8b4f61a6f1f9c75042d0e29a30ccb6cacc9b25f6d9e2",
+                "sha256:d40dc7f494b06dcee0d303e51a00451b2da6119acbeaccf8369f2d29e28917ac",
+                "sha256:d8491d4784aceb1f100ddb8e31239c54e4afab8d607928a9f7ef2469ec35ae01",
+                "sha256:dfc5080c38dde3f43d8fbb9c0539a7839683475226cf83e4b24363b227dfe552",
+                "sha256:e24e22c8d98d3c704bb3410bce9b69e122a8de487ad3dbfe9985d154e5c03a40",
+                "sha256:e7a01e53163818d56eabddcafdc2090e9daba178aad05516b20c6591c4811020",
+                "sha256:ee677635393414930541a096fc8e61634304bb0153e4e02b75685b11eba14cae",
+                "sha256:f0521af1b722265d824d6ad055acfe9bd3341765735c44b5a4d0069e189a0f40",
+                "sha256:f25c281f12c0da726c6ed00535ca5d1622ec755c30a3f8eafef26cf43fede694"
+            ],
+            "index": "pypi",
+            "version": "==1.1.0"
+        },
+        "seaborn": {
+            "hashes": [
+                "sha256:42e627b24e849c2d3bbfd059e00005f6afbc4a76e4895baf44ae23fe8a4b09a5",
+                "sha256:76c83f794ca320fb6b23a7c6192d5e185a5fcf4758966a0c0a54baee46d41e2f"
+            ],
+            "index": "pypi",
+            "version": "==0.9.0"
+        },
         "send2trash": {
             "hashes": [
                 "sha256:60001cc07d707fe247c94f74ca6ac0d3255aabcb930529690897ca2a39db28b2",
@@ -388,16 +506,16 @@
         },
         "tornado": {
             "hashes": [
-                "sha256:1c0816fc32b7d31b98781bd8ebc7a9726d7dce67407dc353a2e66e697e138448",
-                "sha256:4f66a2172cb947387193ca4c2c3e19131f1c70fa8be470ddbbd9317fd0801582",
-                "sha256:5327ba1a6c694e0149e7d9126426b3704b1d9d520852a3e4aa9fc8fe989e4046",
-                "sha256:6a7e8657618268bb007646b9eae7661d0b57f13efc94faa33cd2588eae5912c9",
-                "sha256:a9b14804783a1d77c0bd6c66f7a9b1196cbddfbdf8bceb64683c5ae60bd1ec6f",
-                "sha256:c58757e37c4a3172949c99099d4d5106e4d7b63aa0617f9bb24bfbff712c7866",
-                "sha256:d8984742ce86c0855cccecd5c6f54a9f7532c983947cff06f3a0e2115b47f85c"
+                "sha256:0662d28b1ca9f67108c7e3b77afabfb9c7e87bde174fbda78186ecedc2499a9d",
+                "sha256:4e5158d97583502a7e2739951553cbd88a72076f152b4b11b64b9a10c4c49409",
+                "sha256:732e836008c708de2e89a31cb2fa6c0e5a70cb60492bee6f1ea1047500feaf7f",
+                "sha256:8154ec22c450df4e06b35f131adc4f2f3a12ec85981a203301d310abf580500f",
+                "sha256:8e9d728c4579682e837c92fdd98036bd5cdefa1da2aaf6acf26947e6dd0c01c5",
+                "sha256:d4b3e5329f572f055b587efc57d29bd051589fb5a43ec8898c77a47ec2fa2bbb",
+                "sha256:e5f2585afccbff22390cddac29849df463b252b711aa2ce7c5f3f342a5b3b444"
             ],
-            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.2.*' and python_version != '3.1.*' and python_version != '3.3.*'",
-            "version": "==5.1"
+            "markers": "python_version >= '2.7' and python_version != '3.0.*' and python_version != '3.1.*' and python_version != '3.3.*' and python_version != '3.2.*'",
+            "version": "==5.1.1"
         },
         "traitlets": {
             "hashes": [
@@ -422,10 +540,10 @@
         },
         "widgetsnbextension": {
             "hashes": [
-                "sha256:8b3b32f522507744096609bc9a36cc0cc83fe8b61ba16f16eebb83d7d79e2686",
-                "sha256:bd2a92a68cb783b33abb47a23e0d1d9638c0d250a0d17633c262172d76641dd8"
+                "sha256:14b2c65f9940c9a7d3b70adbe713dbd38b5ec69724eebaba034d1036cf3d4740",
+                "sha256:fa618be8435447a017fd1bf2c7ae922d0428056cfc7449f7a8641edf76b48265"
             ],
-            "version": "==3.4.1"
+            "version": "==3.4.2"
         }
     },
     "develop": {}