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tap1012
Commit 9f24973b authored by Mario Chirinos Colunga's avatar Mario Chirinos Colunga 💬
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pandas

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05-NumPy&Pandas.ipynb
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......@@ -15,7 +15,7 @@
"### 5.1.1 numpy.array \n",
"El tipo de dato mas importante de numpy es **numpy.array** sus atibutos mas importantes son:\n",
"* numpy.array.**ndim**: -numero de dimensiones del arreglo.\n",
"* numpy.array.**shape**: Un tumpla indicando el tamaño del arreglo en cada dimension.\n",
"* numpy.array.**shape**: Un tupla indicando el tamaño del arreglo en cada dimension.\n",
"* numpy.array.**size**: El numero total elementos en el arreglo.\n",
"* numpy.array.**dtype**: El tipo de elemenos en el arreglo e.g. numpy.int32, numpy.int16, and numpy.float64.\n",
"* numpy.array.**itemsize**: el tamaño en bytes de cada elemento del arrglo.\n",
......@@ -24,7 +24,7 @@
},
{
"cell_type": "code",
"execution_count": 5,
"execution_count": 1,
"metadata": {},
"outputs": [
{
......@@ -53,7 +53,7 @@
},
{
"cell_type": "code",
"execution_count": 6,
"execution_count": 2,
"metadata": {},
"outputs": [
{
......@@ -63,7 +63,7 @@
" [3.+0.j, 4.+0.j]])"
]
},
"execution_count": 6,
"execution_count": 2,
"metadata": {},
"output_type": "execute_result"
}
......@@ -75,7 +75,7 @@
},
{
"cell_type": "code",
"execution_count": 7,
"execution_count": 3,
"metadata": {},
"outputs": [
{
......@@ -86,7 +86,7 @@
" [0., 0., 0., 0.]])"
]
},
"execution_count": 7,
"execution_count": 3,
"metadata": {},
"output_type": "execute_result"
}
......@@ -98,7 +98,7 @@
},
{
"cell_type": "code",
"execution_count": 8,
"execution_count": 4,
"metadata": {},
"outputs": [
{
......@@ -109,7 +109,7 @@
" [1., 1., 1., 1.]])"
]
},
"execution_count": 8,
"execution_count": 4,
"metadata": {},
"output_type": "execute_result"
}
......@@ -120,7 +120,7 @@
},
{
"cell_type": "code",
"execution_count": 9,
"execution_count": 5,
"metadata": {},
"outputs": [
{
......@@ -131,7 +131,7 @@
" [1., 1., 1., 1.]])"
]
},
"execution_count": 9,
"execution_count": 5,
"metadata": {},
"output_type": "execute_result"
}
......@@ -142,7 +142,7 @@
},
{
"cell_type": "code",
"execution_count": 39,
"execution_count": 6,
"metadata": {},
"outputs": [
{
......@@ -155,7 +155,7 @@
" [0., 0., 0., 0., 1.]])"
]
},
"execution_count": 39,
"execution_count": 6,
"metadata": {},
"output_type": "execute_result"
}
......@@ -173,7 +173,7 @@
},
{
"cell_type": "code",
"execution_count": 10,
"execution_count": 7,
"metadata": {},
"outputs": [],
"source": [
......@@ -183,7 +183,7 @@
},
{
"cell_type": "code",
"execution_count": 11,
"execution_count": 8,
"metadata": {},
"outputs": [
{
......@@ -192,7 +192,7 @@
"array([20, 29, 38, 47])"
]
},
"execution_count": 11,
"execution_count": 8,
"metadata": {},
"output_type": "execute_result"
}
......@@ -204,7 +204,7 @@
},
{
"cell_type": "code",
"execution_count": 12,
"execution_count": 9,
"metadata": {},
"outputs": [
{
......@@ -213,19 +213,19 @@
"array([ 40, 60, 80, 100])"
]
},
"execution_count": 12,
"execution_count": 9,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# Multiplicacion Por escalar\n",
"# Multiplicacion por Escalar\n",
"a*2"
]
},
{
"cell_type": "code",
"execution_count": 13,
"execution_count": 10,
"metadata": {},
"outputs": [
{
......@@ -234,7 +234,7 @@
"array([0, 1, 4, 9])"
]
},
"execution_count": 13,
"execution_count": 10,
"metadata": {},
"output_type": "execute_result"
}
......@@ -246,7 +246,7 @@
},
{
"cell_type": "code",
"execution_count": 14,
"execution_count": 11,
"metadata": {},
"outputs": [
{
......@@ -255,7 +255,7 @@
"array([ True, True, True, False])"
]
},
"execution_count": 14,
"execution_count": 11,
"metadata": {},
"output_type": "execute_result"
}
......@@ -267,7 +267,7 @@
},
{
"cell_type": "code",
"execution_count": 15,
"execution_count": 12,
"metadata": {},
"outputs": [
{
......@@ -276,7 +276,7 @@
"array([ 0, 30, 80, 150])"
]
},
"execution_count": 15,
"execution_count": 12,
"metadata": {},
"output_type": "execute_result"
}
......@@ -286,135 +286,135 @@
"a*b"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"[**Producto punto**](https://en.wikipedia.org/wiki/Dot_product) y [**Multiplicacion Matricial**](https://en.wikipedia.org/wiki/Matrix_multiplication)"
]
},
{
"cell_type": "code",
"execution_count": 16,
"execution_count": 13,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"True"
"66"
]
},
"execution_count": 16,
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"a@b == a.dot(b)"
]
},
{
"cell_type": "code",
"execution_count": 17,
"metadata": {},
"outputs": [],
"source": [
"a = np.array([[1, 0], [0, 1]])\n",
"b = np.array([[4, 1], [2, 2]]) "
"c= np.arange(12).reshape(3,4)\n",
"c.sum()"
]
},
{
"cell_type": "code",
"execution_count": 18,
"execution_count": 14,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[ True, True],\n",
" [ True, True]])"
"array([12, 15, 18, 21])"
]
},
"execution_count": 18,
"execution_count": 14,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"np.matmul(a, b) == a.dot(b)\n"
"c.sum(axis=0) # Suma por Columna"
]
},
{
"cell_type": "code",
"execution_count": 19,
"execution_count": 15,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"66"
"array([ 6, 22, 38])"
]
},
"execution_count": 19,
"execution_count": 15,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"c= np.arange(12).reshape(3,4)\n",
"c.sum()"
"c.sum(axis=1) #Suma por Fila"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"[**Producto punto**](https://en.wikipedia.org/wiki/Dot_product) y [**Multiplicacion Matricial**](https://en.wikipedia.org/wiki/Matrix_multiplication)"
]
},
{
"cell_type": "code",
"execution_count": 20,
"execution_count": 16,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([12, 15, 18, 21])"
"True"
]
},
"execution_count": 20,
"execution_count": 16,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"c.sum(axis=0) # Suma por Columna"
"a@b == a.dot(b)"
]
},
{
"cell_type": "code",
"execution_count": 21,
"execution_count": 17,
"metadata": {},
"outputs": [],
"source": [
"A = np.array([[1, 0], [0, 1]])\n",
"B = np.array([[4, 1], [2, 2]]) "
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([ 6, 22, 38])"
"array([[ True, True],\n",
" [ True, True]])"
]
},
"execution_count": 21,
"execution_count": 18,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"c.sum(axis=1) #Suma por Fila"
"np.matmul(A, B) == A.dot(B)\n"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Elementos, filas, columnas y subarreglos."
"### Elementos, filas, columnas y submatrices."
]
},
{
"cell_type": "code",
"execution_count": 22,
"execution_count": 19,
"metadata": {},
"outputs": [
{
......@@ -427,7 +427,7 @@
" [40, 41, 42, 43]])"
]
},
"execution_count": 22,
"execution_count": 19,
"metadata": {},
"output_type": "execute_result"
}
......@@ -435,13 +435,13 @@
"source": [
"def f(x,y):\n",
" return 10*x+y\n",
"b = np.fromfunction(f,(5,4),dtype=int)\n",
"b"
"B = np.fromfunction(f,(5,4),dtype=int)\n",
"B"
]
},
{
"cell_type": "code",
"execution_count": 23,
"execution_count": 20,
"metadata": {},
"outputs": [
{
......@@ -450,18 +450,18 @@
"3"
]
},
"execution_count": 23,
"execution_count": 20,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"b[0,3]"
"B[0,3]"
]
},
{
"cell_type": "code",
"execution_count": 24,
"execution_count": 21,
"metadata": {},
"outputs": [
{
......@@ -470,18 +470,18 @@
"array([10, 11, 12, 13])"
]
},
"execution_count": 24,
"execution_count": 21,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"b[1,:]"
"B[1,:]"
]
},
{
"cell_type": "code",
"execution_count": 25,
"execution_count": 22,
"metadata": {},
"outputs": [
{
......@@ -490,18 +490,18 @@
"array([ 1, 11, 21, 31, 41])"
]
},
"execution_count": 25,
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"b[:,1]"
"B[:,1]"
]
},
{
"cell_type": "code",
"execution_count": 26,
"execution_count": 23,
"metadata": {},
"outputs": [
{
......@@ -511,13 +511,13 @@
" [11, 12]])"
]
},
"execution_count": 26,
"execution_count": 23,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"b[:2,1:3]"
"B[:2,1:3]"
]
},
{
......@@ -529,7 +529,7 @@
},
{
"cell_type": "code",
"execution_count": 27,
"execution_count": 24,
"metadata": {},
"outputs": [
{
......@@ -545,13 +545,13 @@
}
],
"source": [
"for row in b:\n",
"for row in B:\n",
" print(row)"
]
},
{
"cell_type": "code",
"execution_count": 28,
"execution_count": 25,
"metadata": {},
"outputs": [
{
......@@ -582,7 +582,7 @@
}
],
"source": [
"for element in b.flat:\n",
"for element in B.flat:\n",
" print(element)"
]
},
......@@ -595,18 +595,18 @@
},
{
"cell_type": "code",
"execution_count": 29,
"execution_count": 26,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[8., 0., 8., 9.],\n",
" [6., 1., 5., 9.],\n",
" [9., 3., 3., 2.]])"
"array([[2., 2., 9., 4.],\n",
" [6., 6., 3., 6.],\n",
" [7., 9., 9., 8.]])"
]
},
"execution_count": 29,
"execution_count": 26,
"metadata": {},
"output_type": "execute_result"
}
......@@ -618,7 +618,7 @@
},
{
"cell_type": "code",
"execution_count": 30,
"execution_count": 27,
"metadata": {},
"outputs": [
{
......@@ -627,7 +627,7 @@
"(3, 4)"
]
},
"execution_count": 30,
"execution_count": 27,
"metadata": {},
"output_type": "execute_result"
}
......@@ -638,21 +638,21 @@
},
{
"cell_type": "code",
"execution_count": 31,
"execution_count": 28,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[8., 0.],\n",
" [8., 9.],\n",
" [6., 1.],\n",
" [5., 9.],\n",
" [9., 3.],\n",
" [3., 2.]])"
"array([[2., 2.],\n",
" [9., 4.],\n",
" [6., 6.],\n",
" [3., 6.],\n",
" [7., 9.],\n",
" [9., 8.]])"
]
},
"execution_count": 31,
"execution_count": 28,
"metadata": {},
"output_type": "execute_result"
}
......@@ -663,19 +663,19 @@
},
{
"cell_type": "code",
"execution_count": 32,
"execution_count": 29,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[8., 6., 9.],\n",
" [0., 1., 3.],\n",
" [8., 5., 3.],\n",
" [9., 9., 2.]])"
"array([[2., 6., 7.],\n",
" [2., 6., 9.],\n",
" [9., 3., 9.],\n",
" [4., 6., 8.]])"
]
},
"execution_count": 32,
"execution_count": 29,
"metadata": {},
"output_type": "execute_result"
}
......@@ -686,7 +686,7 @@
},
{
"cell_type": "code",
"execution_count": 33,
"execution_count": 30,
"metadata": {},
"outputs": [
{
......@@ -698,7 +698,7 @@
" [ True, True, True]])"
]
},
"execution_count": 33,
"execution_count": 30,
"metadata": {},
"output_type": "execute_result"
}
......@@ -709,7 +709,7 @@
},
{
"cell_type": "code",
"execution_count": 34,
"execution_count": 31,
"metadata": {},
"outputs": [
{
......@@ -718,7 +718,7 @@
"(4, 3)"
]
},
"execution_count": 34,
"execution_count": 31,
"metadata": {},
"output_type": "execute_result"
}
......@@ -729,24 +729,24 @@
},
{
"cell_type": "code",
"execution_count": 35,
"execution_count": 32,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"array([[8., 0., 8., 9.],\n",
" [6., 1., 5., 9.],\n",
" [9., 3., 3., 2.]])"
"array([[2., 2., 9., 4.],\n",
" [6., 6., 3., 6.],\n",
" [7., 9., 9., 8.]])"
]
},
"execution_count": 35,
"execution_count": 32,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"# La dimencion con -1 se calcula automaticamente\n",
"# La dimensión con -1 se calcula automaticamente\n",
"a.reshape(3,-1)"
]
},
......@@ -761,7 +761,7 @@
},
{
"cell_type": "code",
"execution_count": 36,
"execution_count": 33,
"metadata": {},
"outputs": [],
"source": [
......@@ -778,7 +778,7 @@
},
{
"cell_type": "code",
"execution_count": 37,
"execution_count": 34,
"metadata": {},
"outputs": [],
"source": [
......@@ -840,7 +840,7 @@
},
{
"cell_type": "code",
"execution_count": 41,
"execution_count": 35,
"metadata": {},
"outputs": [],
"source": [
......@@ -850,21 +850,21 @@
},
{
"cell_type": "code",
"execution_count": 51,
"execution_count": 36,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"a 0.994272\n",
"b 0.530519\n",
"c 1.162452\n",
"d -0.981436\n",
"e -1.283798\n",
"a -0.192610\n",
"b 0.957230\n",
"c -0.917233\n",
"d 1.156523\n",
"e -0.539532\n",
"dtype: float64"
]
},
"execution_count": 51,
"execution_count": 36,
"metadata": {},
"output_type": "execute_result"
}
......@@ -876,21 +876,21 @@
},
{
"cell_type": "code",
"execution_count": 46,
"execution_count": 37,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0 2.042498\n",
"1 -0.964070\n",
"2 -0.687132\n",
"3 0.623300\n",
"4 1.366322\n",
"0 -0.856313\n",
"1 -0.342923\n",
"2 -1.398583\n",
"3 0.170869\n",
"4 1.049196\n",
"dtype: float64"
]
},
"execution_count": 46,
"execution_count": 37,
"metadata": {},
"output_type": "execute_result"
}
......@@ -901,7 +901,7 @@
},
{
"cell_type": "code",
"execution_count": 47,
"execution_count": 38,
"metadata": {},
"outputs": [
{
......@@ -913,7 +913,7 @@
"dtype: int64"
]
},
"execution_count": 47,
"execution_count": 38,
"metadata": {},
"output_type": "execute_result"
}
......@@ -925,7 +925,7 @@
},
{
"cell_type": "code",
"execution_count": 48,
"execution_count": 39,
"metadata": {},
"outputs": [
{
......@@ -938,7 +938,7 @@
"dtype: float64"
]
},
"execution_count": 48,
"execution_count": 39,
"metadata": {},
"output_type": "execute_result"
}
......@@ -957,16 +957,16 @@
},
{
"cell_type": "code",
"execution_count": 53,
"execution_count": 40,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.9942721192063438"
"-0.19261011238315226"
]
},
"execution_count": 53,
"execution_count": 40,
"metadata": {},
"output_type": "execute_result"
}
......@@ -977,19 +977,19 @@
},
{
"cell_type": "code",
"execution_count": 54,
"execution_count": 41,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"a 0.994272\n",
"b 0.530519\n",
"c 1.162452\n",
"a -0.192610\n",
"b 0.957230\n",
"c -0.917233\n",
"dtype: float64"
]
},
"execution_count": 54,
"execution_count": 41,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1000,19 +1000,18 @@
},
{
"cell_type": "code",
"execution_count": 55,
"execution_count": 42,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"a 0.994272\n",
"b 0.530519\n",
"c 1.162452\n",
"b 0.957230\n",
"d 1.156523\n",
"dtype: float64"
]
},
"execution_count": 55,
"execution_count": 42,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1023,21 +1022,21 @@
},
{
"cell_type": "code",
"execution_count": 56,
"execution_count": 43,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"a 1.988544\n",
"b 1.061037\n",
"c 2.324904\n",
"d -1.962872\n",
"e -2.567597\n",
"a -0.385220\n",
"b 1.914460\n",
"c -1.834466\n",
"d 2.313046\n",
"e -1.079065\n",
"dtype: float64"
]
},
"execution_count": 56,
"execution_count": 43,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1048,21 +1047,21 @@
},
{
"cell_type": "code",
"execution_count": 57,
"execution_count": 44,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"a True\n",
"b False\n",
"c True\n",
"d False\n",
"a False\n",
"b True\n",
"c False\n",
"d True\n",
"e False\n",
"dtype: bool"
]
},
"execution_count": 57,
"execution_count": 44,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1073,16 +1072,16 @@
},
{
"cell_type": "code",
"execution_count": 58,
"execution_count": 45,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"0.9942721192063438"
"-0.19261011238315226"
]
},
"execution_count": 58,
"execution_count": 45,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1100,7 +1099,7 @@
},
{
"cell_type": "code",
"execution_count": 59,
"execution_count": 46,
"metadata": {},
"outputs": [],
"source": [
......@@ -1110,7 +1109,7 @@
},
{
"cell_type": "code",
"execution_count": 60,
"execution_count": 47,
"metadata": {},
"outputs": [
{
......@@ -1119,7 +1118,7 @@
"array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9])"
]
},
"execution_count": 60,
"execution_count": 47,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1130,7 +1129,7 @@
},
{
"cell_type": "code",
"execution_count": 62,
"execution_count": 48,
"metadata": {},
"outputs": [
{
......@@ -1149,7 +1148,7 @@
"dtype: int64"
]
},
"execution_count": 62,
"execution_count": 48,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1160,7 +1159,7 @@
},
{
"cell_type": "code",
"execution_count": 75,
"execution_count": 49,
"metadata": {},
"outputs": [
{
......@@ -1169,7 +1168,7 @@
"array([ 4, 6, 8, 10, 12, 14])"
]
},
"execution_count": 75,
"execution_count": 49,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1180,7 +1179,7 @@
},
{
"cell_type": "code",
"execution_count": 76,
"execution_count": 50,
"metadata": {},
"outputs": [
{
......@@ -1199,7 +1198,7 @@
"dtype: float64"
]
},
"execution_count": 76,
"execution_count": 50,
"metadata": {},
"output_type": "execute_result"
}
......@@ -1208,6 +1207,718 @@
"(s[:6]+s[4:])"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 5.3.2 DataFrame\n",
"DataFrame es un estructura bidimensiona etiquetada con columnas que pueden ser de diferentes tipos, es el objeto mas usado en pandas, se puede pensar en ella como un diccionario de **Series**. **DataFrame** acepta diferentes tipos de entradas como:\n",
"* Diccionarios de arreglos unidimensionales, listas dicionarios o series. \n",
"* 2-D numpy.ndarray\n",
"* Series\n",
"* Otro **DataFrame**"
]
},
{
"cell_type": "code",
"execution_count": 51,
"metadata": {},
"outputs": [],
"source": [
"import numpy as np\n",
"import pandas as pd"
]
},
{
"cell_type": "code",
"execution_count": 52,
"metadata": {},
"outputs": [],
"source": [
"d = {'one': pd.Series([1., 2., 3.], index=['a', 'b', 'c']),\n",
" 'two': pd.Series([1., 2., 3., 4.], index=['a', 'b', 'c', 'd'])}"
]
},
{
"cell_type": "code",
"execution_count": 53,
"metadata": {},
"outputs": [],
"source": [
"df = pd.DataFrame(d)"
]
},
{
"cell_type": "code",
"execution_count": 54,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>one</th>\n",
" <th>two</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>a</th>\n",
" <td>1.0</td>\n",
" <td>1.0</td>\n",
" </tr>\n",
" <tr>\n",
" <th>b</th>\n",
" <td>2.0</td>\n",
" <td>2.0</td>\n",
" </tr>\n",
" <tr>\n",
" <th>c</th>\n",
" <td>3.0</td>\n",
" <td>3.0</td>\n",
" </tr>\n",
" <tr>\n",
" <th>d</th>\n",
" <td>NaN</td>\n",
" <td>4.0</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" one two\n",
"a 1.0 1.0\n",
"b 2.0 2.0\n",
"c 3.0 3.0\n",
"d NaN 4.0"
]
},
"execution_count": 54,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Seleccionar, Añadir y Borrar Columnas"
]
},
{
"cell_type": "code",
"execution_count": 55,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"a 1.0\n",
"b 2.0\n",
"c 3.0\n",
"d NaN\n",
"Name: one, dtype: float64"
]
},
"execution_count": 55,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df[\"one\"]"
]
},
{
"cell_type": "code",
"execution_count": 56,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>one</th>\n",
" <th>two</th>\n",
" <th>three</th>\n",
" <th>flag</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>a</th>\n",
" <td>1.0</td>\n",
" <td>1.0</td>\n",
" <td>1.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>b</th>\n",
" <td>2.0</td>\n",
" <td>2.0</td>\n",
" <td>4.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>c</th>\n",
" <td>3.0</td>\n",
" <td>3.0</td>\n",
" <td>9.0</td>\n",
" <td>True</td>\n",
" </tr>\n",
" <tr>\n",
" <th>d</th>\n",
" <td>NaN</td>\n",
" <td>4.0</td>\n",
" <td>NaN</td>\n",
" <td>False</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" one two three flag\n",
"a 1.0 1.0 1.0 False\n",
"b 2.0 2.0 4.0 False\n",
"c 3.0 3.0 9.0 True\n",
"d NaN 4.0 NaN False"
]
},
"execution_count": 56,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df['three'] = df['one'] * df['two']\n",
"df['flag'] = df['one'] > 2\n",
"df"
]
},
{
"cell_type": "code",
"execution_count": 57,
"metadata": {},
"outputs": [],
"source": [
"del df['two']"
]
},
{
"cell_type": "code",
"execution_count": 58,
"metadata": {},
"outputs": [],
"source": [
"three = df.pop('three')"
]
},
{
"cell_type": "code",
"execution_count": 59,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>one</th>\n",
" <th>flag</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>a</th>\n",
" <td>1.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>b</th>\n",
" <td>2.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>c</th>\n",
" <td>3.0</td>\n",
" <td>True</td>\n",
" </tr>\n",
" <tr>\n",
" <th>d</th>\n",
" <td>NaN</td>\n",
" <td>False</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" one flag\n",
"a 1.0 False\n",
"b 2.0 False\n",
"c 3.0 True\n",
"d NaN False"
]
},
"execution_count": 59,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df"
]
},
{
"cell_type": "code",
"execution_count": 60,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>one</th>\n",
" <th>three</th>\n",
" <th>flag</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>a</th>\n",
" <td>1.0</td>\n",
" <td>1.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>b</th>\n",
" <td>2.0</td>\n",
" <td>4.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>c</th>\n",
" <td>3.0</td>\n",
" <td>9.0</td>\n",
" <td>True</td>\n",
" </tr>\n",
" <tr>\n",
" <th>d</th>\n",
" <td>NaN</td>\n",
" <td>NaN</td>\n",
" <td>False</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" one three flag\n",
"a 1.0 1.0 False\n",
"b 2.0 4.0 False\n",
"c 3.0 9.0 True\n",
"d NaN NaN False"
]
},
"execution_count": 60,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df.insert(1, \"three\", three)\n",
"df"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### Indexado y Selección\n",
"\n",
"| Operación | Sintaxis | Resultado |\n",
"|:----------|:--------:|:----------|\n",
"| Selección de Columna | df[col] | Series |\n",
"| Selección de fila por etiqueta | df.loc[label] | Series |\n",
"| Selección de fila por posición | df.iloc[loc] | Series |\n",
"| Rango de filas | df[5:10] | DataFrame |\n",
"| Selección de filas por vector booleano | df[bool_vec] | DataFrame |\n",
"\n"
]
},
{
"cell_type": "code",
"execution_count": 62,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"one 1\n",
"three 1\n",
"flag False\n",
"Name: a, dtype: object"
]
},
"execution_count": 62,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df.loc['a']"
]
},
{
"cell_type": "code",
"execution_count": 63,
"metadata": {},
"outputs": [
{
"data": {
"text/plain": [
"one 3\n",
"three 9\n",
"flag True\n",
"Name: c, dtype: object"
]
},
"execution_count": 63,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df.iloc[2]"
]
},
{
"cell_type": "code",
"execution_count": 65,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>one</th>\n",
" <th>three</th>\n",
" <th>flag</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>a</th>\n",
" <td>1.0</td>\n",
" <td>1.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" <tr>\n",
" <th>b</th>\n",
" <td>2.0</td>\n",
" <td>4.0</td>\n",
" <td>False</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" one three flag\n",
"a 1.0 1.0 False\n",
"b 2.0 4.0 False"
]
},
"execution_count": 65,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"df[:2]"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## 5.4 Ejercicios\n",
"Los siguentes ejercicios de realizann con los dato de *iris.csv *"
]
},
{
"cell_type": "code",
"execution_count": 71,
"metadata": {},
"outputs": [
{
"data": {
"text/html": [
"<div>\n",
"<style scoped>\n",
" .dataframe tbody tr th:only-of-type {\n",
" vertical-align: middle;\n",
" }\n",
"\n",
" .dataframe tbody tr th {\n",
" vertical-align: top;\n",
" }\n",
"\n",
" .dataframe thead th {\n",
" text-align: right;\n",
" }\n",
"</style>\n",
"<table border=\"1\" class=\"dataframe\">\n",
" <thead>\n",
" <tr style=\"text-align: right;\">\n",
" <th></th>\n",
" <th>sepal_length</th>\n",
" <th>sepal_width</th>\n",
" <th>petal_length</th>\n",
" <th>petal_width</th>\n",
" <th>species</th>\n",
" </tr>\n",
" </thead>\n",
" <tbody>\n",
" <tr>\n",
" <th>0</th>\n",
" <td>5.1</td>\n",
" <td>3.5</td>\n",
" <td>1.4</td>\n",
" <td>0.2</td>\n",
" <td>setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>1</th>\n",
" <td>4.9</td>\n",
" <td>3.0</td>\n",
" <td>1.4</td>\n",
" <td>0.2</td>\n",
" <td>setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>2</th>\n",
" <td>4.7</td>\n",
" <td>3.2</td>\n",
" <td>1.3</td>\n",
" <td>0.2</td>\n",
" <td>setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>3</th>\n",
" <td>4.6</td>\n",
" <td>3.1</td>\n",
" <td>1.5</td>\n",
" <td>0.2</td>\n",
" <td>setosa</td>\n",
" </tr>\n",
" <tr>\n",
" <th>4</th>\n",
" <td>5.0</td>\n",
" <td>3.6</td>\n",
" <td>1.4</td>\n",
" <td>0.2</td>\n",
" <td>setosa</td>\n",
" </tr>\n",
" </tbody>\n",
"</table>\n",
"</div>"
],
"text/plain": [
" sepal_length sepal_width petal_length petal_width species\n",
"0 5.1 3.5 1.4 0.2 setosa\n",
"1 4.9 3.0 1.4 0.2 setosa\n",
"2 4.7 3.2 1.3 0.2 setosa\n",
"3 4.6 3.1 1.5 0.2 setosa\n",
"4 5.0 3.6 1.4 0.2 setosa"
]
},
"execution_count": 71,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"import numpy as np\n",
"import pandas as pd\n",
"iris = pd.read_csv('data/iris.csv')\n",
"iris.head()"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 5.4.1 ¿Cual es el numero de observaciones en el conjunto de datos?"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 5.4.2 ¿Cual es el numero de columnas en el conjunto de datos?"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 5.4.3 Imprime el nombre de todas las columnas"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 5.4.4 ¿Cual es el nombre de la columna 4?"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 5.4.5 Selecciona las columnas, \"sepal_length\" y \"petal_length\""
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 5.4.5 Selecciona las filas en donde \"sepal_length\" sea mayor a 4.8"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {},
"outputs": [],
"source": []
},
{
"cell_type": "code",
"execution_count": null,
......
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