Spaces:
Sleeping
Sleeping
Commit ·
a4f27d8
1
Parent(s): ad9e000
APp
Browse files- .DS_Store +0 -0
- app.py +340 -0
- requirements.txt +6 -0
.DS_Store
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Binary file (6.15 kB). View file
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app.py
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| 1 |
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import streamlit as st
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| 2 |
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import pandas as pd
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| 3 |
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import numpy as np
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| 4 |
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import matplotlib.pyplot as plt
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| 5 |
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import seaborn as sns
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| 6 |
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import io
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import base64
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from pandas.api.types import is_numeric_dtype
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| 9 |
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| 10 |
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st.set_page_config(page_title="EDA y Limpieza de Datos", layout="wide")
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| 11 |
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| 12 |
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# Función para generar enlace de descarga
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| 13 |
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def get_download_link(df, filename, text):
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| 14 |
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csv = df.to_csv(index=False)
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| 15 |
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b64 = base64.b64encode(csv.encode()).decode()
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| 16 |
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href = f'<a href="data:file/csv;base64,{b64}" download="{filename}.csv">{text}</a>'
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return href
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| 19 |
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# Función para crear un resumen detallado de los datos
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| 20 |
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def generate_data_summary(df):
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| 21 |
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# Información básica
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| 22 |
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st.header("📊 Información General del Dataset")
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| 23 |
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col1, col2, col3 = st.columns(3)
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| 24 |
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with col1:
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| 25 |
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st.metric("Filas", df.shape[0])
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| 26 |
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with col2:
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| 27 |
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st.metric("Columnas", df.shape[1])
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| 28 |
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with col3:
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st.metric("Valores nulos totales", df.isna().sum().sum())
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| 30 |
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| 31 |
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# Primeras filas
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| 32 |
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st.subheader("Vista previa de los datos")
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| 33 |
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st.dataframe(df.head())
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| 34 |
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| 35 |
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# Tipos de datos
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| 36 |
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st.subheader("Tipos de datos")
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| 37 |
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dtypes_df = pd.DataFrame(df.dtypes, columns=['Tipo de dato'])
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| 38 |
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dtypes_df.index.name = 'Columna'
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| 39 |
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dtypes_df = dtypes_df.reset_index()
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| 40 |
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st.dataframe(dtypes_df)
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| 41 |
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| 42 |
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# Resumen estadístico para columnas numéricas
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| 43 |
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st.subheader("Resumen estadístico")
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| 44 |
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st.dataframe(df.describe())
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| 45 |
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| 46 |
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# Análisis de valores nulos
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| 47 |
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st.subheader("Análisis de valores nulos")
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| 48 |
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null_counts = df.isnull().sum()
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| 49 |
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null_percentages = (null_counts / len(df) * 100).round(2)
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| 50 |
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nulls_df = pd.DataFrame({
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| 51 |
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'Valores nulos': null_counts,
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| 52 |
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'Porcentaje (%)': null_percentages
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| 53 |
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})
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| 54 |
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nulls_df = nulls_df[nulls_df['Valores nulos'] > 0].sort_values('Valores nulos', ascending=False)
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| 55 |
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| 56 |
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if not nulls_df.empty:
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| 57 |
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st.dataframe(nulls_df)
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| 58 |
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| 59 |
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# Visualización de valores nulos
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| 60 |
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st.subheader("Visualización de valores nulos")
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| 61 |
+
fig, ax = plt.subplots(figsize=(10, 6))
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| 62 |
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sns.heatmap(df.isnull(), yticklabels=False, cbar=False, cmap='viridis', ax=ax)
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| 63 |
+
st.pyplot(fig)
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| 64 |
+
else:
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| 65 |
+
st.success("¡No hay valores nulos en el dataset!")
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| 66 |
+
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| 67 |
+
# Función para visualizar distribuciones
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| 68 |
+
def visualize_distributions(df):
|
| 69 |
+
st.header("📈 Visualización de Distribuciones")
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| 70 |
+
|
| 71 |
+
numeric_cols = df.select_dtypes(include='number').columns.tolist()
|
| 72 |
+
categorical_cols = df.select_dtypes(exclude='number').columns.tolist()
|
| 73 |
+
|
| 74 |
+
if numeric_cols:
|
| 75 |
+
st.subheader("Columnas numéricas")
|
| 76 |
+
selected_num_col = st.selectbox("Selecciona una columna numérica", numeric_cols)
|
| 77 |
+
|
| 78 |
+
col1, col2 = st.columns(2)
|
| 79 |
+
with col1:
|
| 80 |
+
fig, ax = plt.subplots(figsize=(10, 6))
|
| 81 |
+
sns.histplot(df[selected_num_col].dropna(), kde=True, ax=ax)
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| 82 |
+
plt.title(f'Distribución de {selected_num_col}')
|
| 83 |
+
plt.xlabel(selected_num_col)
|
| 84 |
+
plt.ylabel('Frecuencia')
|
| 85 |
+
st.pyplot(fig)
|
| 86 |
+
|
| 87 |
+
with col2:
|
| 88 |
+
fig, ax = plt.subplots(figsize=(10, 6))
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| 89 |
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sns.boxplot(y=df[selected_num_col].dropna(), ax=ax)
|
| 90 |
+
plt.title(f'Boxplot de {selected_num_col}')
|
| 91 |
+
st.pyplot(fig)
|
| 92 |
+
|
| 93 |
+
if categorical_cols:
|
| 94 |
+
st.subheader("Columnas categóricas")
|
| 95 |
+
selected_cat_col = st.selectbox("Selecciona una columna categórica", categorical_cols)
|
| 96 |
+
|
| 97 |
+
fig, ax = plt.subplots(figsize=(10, 6))
|
| 98 |
+
value_counts = df[selected_cat_col].value_counts().sort_values(ascending=False)
|
| 99 |
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|
| 100 |
+
# Limitar el número de categorías mostradas para mayor claridad
|
| 101 |
+
if len(value_counts) > 15:
|
| 102 |
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other_count = value_counts[15:].sum()
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| 103 |
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value_counts = value_counts[:15]
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| 104 |
+
value_counts['Otros'] = other_count
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| 105 |
+
|
| 106 |
+
sns.barplot(x=value_counts.index, y=value_counts.values, ax=ax)
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| 107 |
+
plt.title(f'Distribución de {selected_cat_col}')
|
| 108 |
+
plt.xticks(rotation=45, ha='right')
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| 109 |
+
plt.tight_layout()
|
| 110 |
+
st.pyplot(fig)
|
| 111 |
+
|
| 112 |
+
# Función para correlaciones
|
| 113 |
+
def visualize_correlations(df):
|
| 114 |
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st.header("🔄 Análisis de Correlaciones")
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| 115 |
+
|
| 116 |
+
numeric_cols = df.select_dtypes(include='number').columns.tolist()
|
| 117 |
+
|
| 118 |
+
if len(numeric_cols) >= 2:
|
| 119 |
+
# Matriz de correlación
|
| 120 |
+
st.subheader("Matriz de correlación")
|
| 121 |
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corr_matrix = df[numeric_cols].corr()
|
| 122 |
+
|
| 123 |
+
fig, ax = plt.subplots(figsize=(10, 8))
|
| 124 |
+
sns.heatmap(corr_matrix, annot=True, cmap='coolwarm', fmt=".2f", linewidths=0.5, ax=ax)
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| 125 |
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plt.tight_layout()
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| 126 |
+
st.pyplot(fig)
|
| 127 |
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|
| 128 |
+
# Correlación entre dos variables específicas
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| 129 |
+
st.subheader("Correlación entre dos variables")
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| 130 |
+
col1, col2 = st.columns(2)
|
| 131 |
+
with col1:
|
| 132 |
+
x_var = st.selectbox("Variable X", numeric_cols)
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| 133 |
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with col2:
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| 134 |
+
y_var = st.selectbox("Variable Y", numeric_cols, index=min(1, len(numeric_cols)-1))
|
| 135 |
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| 136 |
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fig, ax = plt.subplots(figsize=(10, 6))
|
| 137 |
+
sns.scatterplot(data=df, x=x_var, y=y_var, ax=ax)
|
| 138 |
+
plt.title(f'Correlación entre {x_var} y {y_var}')
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| 139 |
+
st.pyplot(fig)
|
| 140 |
+
else:
|
| 141 |
+
st.info("Se necesitan al menos dos columnas numéricas para analizar correlaciones.")
|
| 142 |
+
|
| 143 |
+
# Función para limpiar datos
|
| 144 |
+
def clean_data(df):
|
| 145 |
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st.header("🧹 Limpieza de Datos")
|
| 146 |
+
|
| 147 |
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cleaned_df = df.copy()
|
| 148 |
+
|
| 149 |
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# 1. Manejo de valores nulos
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| 150 |
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st.subheader("Manejo de valores nulos")
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| 151 |
+
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| 152 |
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null_columns = df.columns[df.isnull().any()].tolist()
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| 153 |
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if null_columns:
|
| 154 |
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for column in null_columns:
|
| 155 |
+
st.markdown(f"**Columna: {column}**")
|
| 156 |
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col_type = 'numérica' if is_numeric_dtype(df[column]) else 'categórica'
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| 157 |
+
|
| 158 |
+
method = st.radio(
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| 159 |
+
f"¿Cómo quieres manejar los valores nulos en '{column}' (columna {col_type})?",
|
| 160 |
+
options=[
|
| 161 |
+
"Eliminar filas con valores nulos",
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| 162 |
+
f"Reemplazar con la media (para columnas numéricas)" if is_numeric_dtype(df[column]) else "Reemplazar con la moda (para columnas categóricas)",
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| 163 |
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"Reemplazar con cero (para columnas numéricas)" if is_numeric_dtype(df[column]) else "Reemplazar con un valor específico",
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| 164 |
+
"No hacer nada"
|
| 165 |
+
],
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| 166 |
+
key=f"null_{column}"
|
| 167 |
+
)
|
| 168 |
+
|
| 169 |
+
if method == "Eliminar filas con valores nulos":
|
| 170 |
+
cleaned_df = cleaned_df.dropna(subset=[column])
|
| 171 |
+
st.info(f"Se eliminarán {df[column].isna().sum()} filas con valores nulos en '{column}'")
|
| 172 |
+
|
| 173 |
+
elif method == "Reemplazar con la media (para columnas numéricas)":
|
| 174 |
+
mean_value = df[column].mean()
|
| 175 |
+
cleaned_df[column] = cleaned_df[column].fillna(mean_value)
|
| 176 |
+
st.info(f"Los valores nulos en '{column}' serán reemplazados con la media: {mean_value:.2f}")
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| 177 |
+
|
| 178 |
+
elif method == "Reemplazar con la moda (para columnas categóricas)":
|
| 179 |
+
mode_value = df[column].mode()[0]
|
| 180 |
+
cleaned_df[column] = cleaned_df[column].fillna(mode_value)
|
| 181 |
+
st.info(f"Los valores nulos en '{column}' serán reemplazados con la moda: {mode_value}")
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| 182 |
+
|
| 183 |
+
elif method == "Reemplazar con cero (para columnas numéricas)":
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| 184 |
+
cleaned_df[column] = cleaned_df[column].fillna(0)
|
| 185 |
+
st.info(f"Los valores nulos en '{column}' serán reemplazados con cero")
|
| 186 |
+
|
| 187 |
+
elif method == "Reemplazar con un valor específico":
|
| 188 |
+
custom_value = st.text_input(f"Valor de reemplazo para '{column}':", key=f"custom_{column}")
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| 189 |
+
if custom_value:
|
| 190 |
+
cleaned_df[column] = cleaned_df[column].fillna(custom_value)
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| 191 |
+
else:
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| 192 |
+
st.success("¡No hay valores nulos que tratar!")
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| 193 |
+
|
| 194 |
+
# 2. Manejo de duplicados
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| 195 |
+
st.subheader("Manejo de duplicados")
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| 196 |
+
duplicates = df.duplicated().sum()
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| 197 |
+
|
| 198 |
+
if duplicates > 0:
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| 199 |
+
st.warning(f"Se encontraron {duplicates} filas duplicadas en el dataset.")
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| 200 |
+
remove_duplicates = st.checkbox("Eliminar filas duplicadas")
|
| 201 |
+
if remove_duplicates:
|
| 202 |
+
cleaned_df = cleaned_df.drop_duplicates()
|
| 203 |
+
st.info(f"Se eliminarán {duplicates} filas duplicadas.")
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| 204 |
+
else:
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| 205 |
+
st.success("¡No hay filas duplicadas en el dataset!")
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| 206 |
+
|
| 207 |
+
# 3. Manejo de valores atípicos (outliers)
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| 208 |
+
st.subheader("Manejo de valores atípicos (outliers)")
|
| 209 |
+
|
| 210 |
+
numeric_cols = df.select_dtypes(include=['number']).columns.tolist()
|
| 211 |
+
if numeric_cols:
|
| 212 |
+
outlier_handling = st.checkbox("¿Quieres tratar los valores atípicos?")
|
| 213 |
+
|
| 214 |
+
if outlier_handling:
|
| 215 |
+
selected_col = st.selectbox("Selecciona una columna numérica para analizar outliers", numeric_cols)
|
| 216 |
+
|
| 217 |
+
# Visualizar la distribución con posibles outliers
|
| 218 |
+
fig, ax = plt.subplots(figsize=(10, 6))
|
| 219 |
+
sns.boxplot(y=df[selected_col], ax=ax)
|
| 220 |
+
plt.title(f'Boxplot de {selected_col} - Identificación de outliers')
|
| 221 |
+
st.pyplot(fig)
|
| 222 |
+
|
| 223 |
+
# Calcular límites para outliers usando el método IQR
|
| 224 |
+
Q1 = df[selected_col].quantile(0.25)
|
| 225 |
+
Q3 = df[selected_col].quantile(0.75)
|
| 226 |
+
IQR = Q3 - Q1
|
| 227 |
+
lower_bound = Q1 - 1.5 * IQR
|
| 228 |
+
upper_bound = Q3 + 1.5 * IQR
|
| 229 |
+
|
| 230 |
+
outliers = df[(df[selected_col] < lower_bound) | (df[selected_col] > upper_bound)][selected_col]
|
| 231 |
+
|
| 232 |
+
if not outliers.empty:
|
| 233 |
+
st.warning(f"Se encontraron {len(outliers)} valores atípicos en '{selected_col}'.")
|
| 234 |
+
outlier_method = st.radio(
|
| 235 |
+
f"¿Cómo quieres manejar los outliers en '{selected_col}'?",
|
| 236 |
+
options=[
|
| 237 |
+
"Recortar (capping)",
|
| 238 |
+
"Eliminar filas con outliers",
|
| 239 |
+
"No hacer nada"
|
| 240 |
+
],
|
| 241 |
+
key=f"outlier_{selected_col}"
|
| 242 |
+
)
|
| 243 |
+
|
| 244 |
+
if outlier_method == "Recortar (capping)":
|
| 245 |
+
cleaned_df[selected_col] = cleaned_df[selected_col].clip(lower_bound, upper_bound)
|
| 246 |
+
st.info(f"Los valores atípicos en '{selected_col}' serán recortados a [{lower_bound:.2f}, {upper_bound:.2f}]")
|
| 247 |
+
|
| 248 |
+
elif outlier_method == "Eliminar filas con outliers":
|
| 249 |
+
mask = (cleaned_df[selected_col] >= lower_bound) & (cleaned_df[selected_col] <= upper_bound)
|
| 250 |
+
cleaned_df = cleaned_df[mask]
|
| 251 |
+
st.info(f"Se eliminarán {len(outliers)} filas con valores atípicos en '{selected_col}'")
|
| 252 |
+
else:
|
| 253 |
+
st.success(f"¡No se encontraron valores atípicos en '{selected_col}'!")
|
| 254 |
+
|
| 255 |
+
# 4. Transformación de tipos de datos
|
| 256 |
+
st.subheader("Transformación de tipos de datos")
|
| 257 |
+
type_conversion = st.checkbox("¿Quieres convertir el tipo de alguna columna?")
|
| 258 |
+
|
| 259 |
+
if type_conversion:
|
| 260 |
+
col1, col2 = st.columns(2)
|
| 261 |
+
with col1:
|
| 262 |
+
column_to_convert = st.selectbox("Selecciona una columna", df.columns)
|
| 263 |
+
with col2:
|
| 264 |
+
new_type = st.selectbox("Nuevo tipo de dato", options=['int', 'float', 'string', 'datetime', 'category'])
|
| 265 |
+
|
| 266 |
+
try:
|
| 267 |
+
if new_type == 'int':
|
| 268 |
+
cleaned_df[column_to_convert] = cleaned_df[column_to_convert].astype(int)
|
| 269 |
+
elif new_type == 'float':
|
| 270 |
+
cleaned_df[column_to_convert] = cleaned_df[column_to_convert].astype(float)
|
| 271 |
+
elif new_type == 'string':
|
| 272 |
+
cleaned_df[column_to_convert] = cleaned_df[column_to_convert].astype(str)
|
| 273 |
+
elif new_type == 'datetime':
|
| 274 |
+
cleaned_df[column_to_convert] = pd.to_datetime(cleaned_df[column_to_convert])
|
| 275 |
+
elif new_type == 'category':
|
| 276 |
+
cleaned_df[column_to_convert] = cleaned_df[column_to_convert].astype('category')
|
| 277 |
+
st.success(f"La columna '{column_to_convert}' ha sido convertida a tipo {new_type}")
|
| 278 |
+
except Exception as e:
|
| 279 |
+
st.error(f"Error al convertir el tipo de dato: {str(e)}")
|
| 280 |
+
|
| 281 |
+
return cleaned_df
|
| 282 |
+
|
| 283 |
+
# Aplicación principal
|
| 284 |
+
def main():
|
| 285 |
+
st.title("📊 Análisis Exploratorio de Datos (EDA) y Limpieza")
|
| 286 |
+
st.markdown("""
|
| 287 |
+
Esta aplicación te permite realizar un análisis exploratorio completo de tus datos,
|
| 288 |
+
visualizar su distribución y realizar operaciones de limpieza paso a paso.
|
| 289 |
+
""")
|
| 290 |
+
|
| 291 |
+
# Subir archivo
|
| 292 |
+
st.header("📁 Carga tu archivo")
|
| 293 |
+
uploaded_file = st.file_uploader("Selecciona un archivo CSV o Excel", type=['csv', 'xlsx', 'xls'])
|
| 294 |
+
|
| 295 |
+
if uploaded_file is not None:
|
| 296 |
+
try:
|
| 297 |
+
# Determinar tipo de archivo y leerlo
|
| 298 |
+
if uploaded_file.name.endswith('.csv'):
|
| 299 |
+
df = pd.read_csv(uploaded_file)
|
| 300 |
+
else:
|
| 301 |
+
df = pd.read_excel(uploaded_file)
|
| 302 |
+
|
| 303 |
+
# Crear pestañas para organizar el análisis
|
| 304 |
+
tab1, tab2, tab3, tab4 = st.tabs(["📊 Resumen de datos", "📈 Visualizaciones", "🔄 Correlaciones", "🧹 Limpieza"])
|
| 305 |
+
|
| 306 |
+
with tab1:
|
| 307 |
+
generate_data_summary(df)
|
| 308 |
+
|
| 309 |
+
with tab2:
|
| 310 |
+
visualize_distributions(df)
|
| 311 |
+
|
| 312 |
+
with tab3:
|
| 313 |
+
visualize_correlations(df)
|
| 314 |
+
|
| 315 |
+
with tab4:
|
| 316 |
+
cleaned_df = clean_data(df)
|
| 317 |
+
|
| 318 |
+
if st.button("Aplicar cambios y descargar datos limpios"):
|
| 319 |
+
st.success("¡Limpieza de datos completada!")
|
| 320 |
+
|
| 321 |
+
# Mostrar comparación
|
| 322 |
+
st.subheader("Comparación: Datos originales vs. Datos limpios")
|
| 323 |
+
col1, col2 = st.columns(2)
|
| 324 |
+
with col1:
|
| 325 |
+
st.write("Datos originales")
|
| 326 |
+
st.metric("Filas", df.shape[0])
|
| 327 |
+
st.metric("Valores nulos", df.isna().sum().sum())
|
| 328 |
+
with col2:
|
| 329 |
+
st.write("Datos limpios")
|
| 330 |
+
st.metric("Filas", cleaned_df.shape[0])
|
| 331 |
+
st.metric("Valores nulos", cleaned_df.isna().sum().sum())
|
| 332 |
+
|
| 333 |
+
# Generar enlace de descarga
|
| 334 |
+
st.markdown(get_download_link(cleaned_df, "datos_limpios", "📥 Descargar datos limpios (CSV)"), unsafe_allow_html=True)
|
| 335 |
+
|
| 336 |
+
except Exception as e:
|
| 337 |
+
st.error(f"Error al procesar el archivo: {str(e)}")
|
| 338 |
+
|
| 339 |
+
if __name__ == "__main__":
|
| 340 |
+
main()
|
requirements.txt
ADDED
|
@@ -0,0 +1,6 @@
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| 1 |
+
streamlit
|
| 2 |
+
pandas
|
| 3 |
+
numpy
|
| 4 |
+
matplotlib
|
| 5 |
+
seaborn
|
| 6 |
+
openpyxl
|