Exercicio_casa_Ellen_M_Santiago

exercicios/para-sala/exercicio_2.ipynb

@@ -0,0 +1,107 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": 2,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import pandas as pd\n",
+    "df = pd.read_csv('BRASILIA_2023.csv', delimiter=';', skiprows=8,encoding='latin1')\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "df.head()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 35,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "df_reduzido = df[['Data', 'PRESSAO ATMOSFERICA AO NIVEL DA ESTACAO, HORARIA (mB)', 'VENTO, VELOCIDADE HORARIA (m/s)', 'TEMPERATURA DO PONTO DE ORVALHO (°C)','UMIDADE REL. MAX. NA HORA ANT. (AUT) (%)']]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 36,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "df_amostra = df_reduzido.head(20)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "remover = df_amostra.dropna(axis=0,how='all')\n",
+    "df_final = remover"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 27,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "Data                                                     0\n",
+       "PRESSAO ATMOSFERICA AO NIVEL DA ESTACAO, HORARIA (mB)    0\n",
+       "VENTO, VELOCIDADE HORARIA (m/s)                          0\n",
+       "TEMPERATURA DO PONTO DE ORVALHO (°C)                     0\n",
+       "UMIDADE REL. MAX. NA HORA ANT. (AUT) (%)                 0\n",
+       "dtype: int64"
+      ]
+     },
+     "execution_count": 27,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "remover.isnull().sum()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "df_final['PRESSAO ATMOSFERICA AO NIVEL DA ESTACAO, HORARIA (mB)'] =  df_final['PRESSAO ATMOSFERICA AO NIVEL DA ESTACAO, HORARIA (mB)'] .replace(';', '.')\n",
+    "df_amostra"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.12.0"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}