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Unverified Commit 51841085 authored by Dr.李's avatar Dr.李 Committed by GitHub
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Merge pull request #8 from iLampard/master 

Add two quick start tutorials(without using database)
parents 881d14a2 77b97192
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notebooks/tutorial_data_preprocess.ipynb → notebooks/Quick Start 1 - Factor Preprocess.ipynb
View file @ 51841085
...@@ -26,7 +26,7 @@ ...@@ -26,7 +26,7 @@
}, },
{ {
"cell_type": "code", "cell_type": "code",
"execution_count": 35, "execution_count": null,
"metadata": {}, "metadata": {},
"outputs": [ "outputs": [
{ {
......
notebooks/Quick Start 2 - Factor Rank and Quantile.ipynb 0 → 100644
View file @ 51841085
{
"cells": [
{
"cell_type": "markdown",
"metadata": {
"collapsed": true
},
"source": [
"alpha-mind的data文件夹提供了对于因子数据进行排序和求分位数的工具函数"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 因子排序： *rank*\n",
"- 从小到大排序，返回序列值。\n",
"- 可以进行整体排序，也可以分行业(分组)排序。"
]
},
{
"cell_type": "code",
"execution_count": 13,
"metadata": {},
"outputs": [
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"output_type": "stream",
"text": [
"E:\\workarea\\github\\alpha-mind\\alphamind\\data\\rank.py:17: FutureWarning: reshape is deprecated and will raise in a subsequent release. Please use .values.reshape(...) instead\n",
" x = x.reshape((-1, 1))\n"
]
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"<table border=\"1\" class=\"dataframe\">\n",
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"text/plain": [
" factor_1 factor_2 rank_1 rank_2\n",
"0 0.940105 0.328598 9.0 4.0\n",
"1 0.473932 0.334819 7.0 5.0\n",
"2 0.337995 0.335863 4.0 6.0\n",
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"8 0.238197 0.206311 3.0 1.0\n",
"9 0.112166 0.240062 1.0 2.0"
]
},
"execution_count": 13,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"import numpy as np\n",
"import pandas as pd\n",
"from alphamind.data.rank import rank\n",
"\n",
"# 假设有10只股票，每只股票有2个因子，构成一个矩阵\n",
"factors = pd.DataFrame(np.random.rand(10, 2))\n",
"factors.columns = ['factor_1', 'factor_2']\n",
"factors['rank_1'] = rank(factors['factor_1'])\n",
"factors['rank_2'] = rank(factors['factor_2'])\n",
"\n",
"factors\n"
]
},
{
"cell_type": "code",
"execution_count": 15,
"metadata": {},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"E:\\workarea\\github\\alpha-mind\\alphamind\\data\\rank.py:17: FutureWarning: reshape is deprecated and will raise in a subsequent release. Please use .values.reshape(...) instead\n",
" x = x.reshape((-1, 1))\n"
]
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"text/plain": [
" factor_1 rank\n",
"0 0.765457 3\n",
"1 0.162792 0\n",
"2 0.431309 1\n",
"3 0.633497 2\n",
"4 0.943491 4\n",
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"execution_count": 15,
"metadata": {},
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}
],
"source": [
"# 假设有10只股票，每只股票有1个因子\n",
"factors = pd.DataFrame(np.random.rand(10, 1))\n",
"factors.columns = ['factor_1']\n",
"\n",
"# 假设这10只股票分为两个行业,前5个和后5个分属不同类别\n",
"industry = np.concatenate([np.array([1.0]*5), np.array([2.0]*5)])\n",
"\n",
"factors['rank'] = rank(factors['factor_1'], groups=industry)\n",
"factors"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"### 因子分位数: *quantile*\n",
"- 根据给定组数*(n_bins)*，按从小达到的顺序进行分组，返回每个因子属于的组别。"
]
},
{
"cell_type": "code",
"execution_count": 22,
"metadata": {},
"outputs": [
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"text/plain": [
" factor_1 rank quantile\n",
"0 0.765457 3 3\n",
"1 0.162792 0 0\n",
"2 0.431309 1 0\n",
"3 0.633497 2 2\n",
"4 0.943491 4 4\n",
"5 0.477439 0 1\n",
"6 0.742096 2 2\n",
"7 0.561797 1 1\n",
"8 0.974109 4 4\n",
"9 0.921705 3 3"
]
},
"execution_count": 22,
"metadata": {},
"output_type": "execute_result"
}
],
"source": [
"from alphamind.data.quantile import quantile\n",
"\n",
"factors['quantile'] = quantile(factors['factor_1'], n_bins=5)\n",
"factors\n"
]
},
{
"cell_type": "code",
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