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April 18, 2018 15:06
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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"import pandas as pd" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
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" <th>0</th>\n", | |
" <td>one</td>\n", | |
" <td>Three</td>\n", | |
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" <tr>\n", | |
" <th>1</th>\n", | |
" <td>two</td>\n", | |
" <td>Four</td>\n", | |
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" a b\n", | |
"0 one Three\n", | |
"1 two Four" | |
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}, | |
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"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"frame = pd.DataFrame({\"a\": [\"one\", \"two\"], \"b\": [\"Three\", \"Four\"]})\n", | |
"frame" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 3, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
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" <th>b</th>\n", | |
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" </thead>\n", | |
" <tbody>\n", | |
" <tr>\n", | |
" <th>0</th>\n", | |
" <td>one</td>\n", | |
" <td>Three</td>\n", | |
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"text/plain": [ | |
" a b\n", | |
"0 one Three" | |
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"execution_count": 3, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"row = frame[frame[\"a\"] == \"one\"]\n", | |
"row" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"metadata": {}, | |
"outputs": [], | |
"source": [ | |
"def dataframe_to_dictionary_array(dataframe):\n", | |
" columns = frame.columns\n", | |
" values = frame.values\n", | |
" array = []\n", | |
" for row in values:\n", | |
" dictionary = {}\n", | |
" count = 0\n", | |
" for column in columns:\n", | |
" dictionary[column] = row[count]\n", | |
" count += 1\n", | |
" array.append(dictionary)\n", | |
" return array" | |
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{ | |
"cell_type": "code", | |
"execution_count": 5, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/plain": [ | |
"[{'a': 'one', 'b': 'Three'}, {'a': 'two', 'b': 'Four'}]" | |
] | |
}, | |
"execution_count": 5, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
"dataframe_to_dictionary_array(frame)" | |
] | |
}, | |
{ | |
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