diff --git a/机器学习竞赛实战_优胜解决方案/工业化工生产预测/.ipynb_checkpoints/工业生产预测-checkpoint.ipynb b/机器学习竞赛实战_优胜解决方案/工业化工生产预测/.ipynb_checkpoints/工业生产预测-checkpoint.ipynb
index de8a0a6..d2d70e4 100644
--- a/机器学习竞赛实战_优胜解决方案/工业化工生产预测/.ipynb_checkpoints/工业生产预测-checkpoint.ipynb
+++ b/机器学习竞赛实战_优胜解决方案/工业化工生产预测/.ipynb_checkpoints/工业生产预测-checkpoint.ipynb
@@ -334,9 +334,374 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "### 如何确定字段需要处理\n",
     "我们需要解决一些异常值，如某值相对其它值过大的离群点"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "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>A1</th>\n",
+       "      <th>A2</th>\n",
+       "      <th>A3</th>\n",
+       "      <th>A4</th>\n",
+       "      <th>A6</th>\n",
+       "      <th>A8</th>\n",
+       "      <th>A10</th>\n",
+       "      <th>A12</th>\n",
+       "      <th>A13</th>\n",
+       "      <th>A15</th>\n",
+       "      <th>A17</th>\n",
+       "      <th>A18</th>\n",
+       "      <th>A19</th>\n",
+       "      <th>A21</th>\n",
+       "      <th>A22</th>\n",
+       "      <th>A23</th>\n",
+       "      <th>A27</th>\n",
+       "      <th>B1</th>\n",
+       "      <th>B2</th>\n",
+       "      <th>B3</th>\n",
+       "      <th>B6</th>\n",
+       "      <th>B8</th>\n",
+       "      <th>B12</th>\n",
+       "      <th>B13</th>\n",
+       "      <th>B14</th>\n",
+       "      <th>收率</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>count</th>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>42.0</td>\n",
+       "      <td>1354.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>149.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1393.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1393.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1386.000000</td>\n",
+       "      <td>1394.000000</td>\n",
+       "      <td>1394.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1395.000000</td>\n",
+       "      <td>1395.000000</td>\n",
+       "      <td>1395.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>mean</th>\n",
+       "      <td>298.853868</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>403.515510</td>\n",
+       "      <td>705.974212</td>\n",
+       "      <td>28.287751</td>\n",
+       "      <td>78.818792</td>\n",
+       "      <td>100.861032</td>\n",
+       "      <td>102.641834</td>\n",
+       "      <td>0.199907</td>\n",
+       "      <td>103.829370</td>\n",
+       "      <td>104.766905</td>\n",
+       "      <td>0.199928</td>\n",
+       "      <td>231.067335</td>\n",
+       "      <td>48.707825</td>\n",
+       "      <td>9.117120</td>\n",
+       "      <td>5.002872</td>\n",
+       "      <td>74.396848</td>\n",
+       "      <td>334.452742</td>\n",
+       "      <td>3.454412</td>\n",
+       "      <td>3.500072</td>\n",
+       "      <td>72.065186</td>\n",
+       "      <td>43.709677</td>\n",
+       "      <td>1020.215054</td>\n",
+       "      <td>0.149419</td>\n",
+       "      <td>410.403295</td>\n",
+       "      <td>0.923244</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>std</th>\n",
+       "      <td>10.130552</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>13.348093</td>\n",
+       "      <td>53.214754</td>\n",
+       "      <td>6.742765</td>\n",
+       "      <td>2.683920</td>\n",
+       "      <td>0.905198</td>\n",
+       "      <td>0.915387</td>\n",
+       "      <td>0.002524</td>\n",
+       "      <td>0.963639</td>\n",
+       "      <td>1.401446</td>\n",
+       "      <td>0.002676</td>\n",
+       "      <td>50.478071</td>\n",
+       "      <td>4.976531</td>\n",
+       "      <td>0.369152</td>\n",
+       "      <td>0.136638</td>\n",
+       "      <td>3.044490</td>\n",
+       "      <td>105.120753</td>\n",
+       "      <td>0.388585</td>\n",
+       "      <td>0.002678</td>\n",
+       "      <td>9.161986</td>\n",
+       "      <td>4.338396</td>\n",
+       "      <td>205.920155</td>\n",
+       "      <td>0.008213</td>\n",
+       "      <td>26.018410</td>\n",
+       "      <td>0.030880</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>min</th>\n",
+       "      <td>200.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>270.000000</td>\n",
+       "      <td>470.000000</td>\n",
+       "      <td>17.000000</td>\n",
+       "      <td>70.000000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>98.000000</td>\n",
+       "      <td>0.120000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>89.000000</td>\n",
+       "      <td>0.100000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>4.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>40.000000</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>400.000000</td>\n",
+       "      <td>0.030000</td>\n",
+       "      <td>40.000000</td>\n",
+       "      <td>0.624000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>25%</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>700.000000</td>\n",
+       "      <td>24.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>102.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>104.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>200.000000</td>\n",
+       "      <td>50.000000</td>\n",
+       "      <td>9.000000</td>\n",
+       "      <td>5.000000</td>\n",
+       "      <td>73.000000</td>\n",
+       "      <td>320.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>65.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>800.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>400.000000</td>\n",
+       "      <td>0.902000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>50%</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>700.000000</td>\n",
+       "      <td>29.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>101.000000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>104.000000</td>\n",
+       "      <td>105.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>200.000000</td>\n",
+       "      <td>50.000000</td>\n",
+       "      <td>9.000000</td>\n",
+       "      <td>5.000000</td>\n",
+       "      <td>73.000000</td>\n",
+       "      <td>320.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>78.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>400.000000</td>\n",
+       "      <td>0.925000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>75%</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>700.000000</td>\n",
+       "      <td>30.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>102.000000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>104.000000</td>\n",
+       "      <td>105.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>50.000000</td>\n",
+       "      <td>9.000000</td>\n",
+       "      <td>5.000000</td>\n",
+       "      <td>77.000000</td>\n",
+       "      <td>330.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>420.000000</td>\n",
+       "      <td>0.943000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>max</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>980.000000</td>\n",
+       "      <td>97.000000</td>\n",
+       "      <td>82.000000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>107.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>109.000000</td>\n",
+       "      <td>108.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>350.000000</td>\n",
+       "      <td>90.000000</td>\n",
+       "      <td>10.000000</td>\n",
+       "      <td>10.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>3.600000</td>\n",
+       "      <td>3.600000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>73.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>460.000000</td>\n",
+       "      <td>1.000800</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                A1     A2           A3           A4           A6          A8  \\\n",
+       "count  1396.000000   42.0  1354.000000  1396.000000  1396.000000  149.000000   \n",
+       "mean    298.853868  125.0   403.515510   705.974212    28.287751   78.818792   \n",
+       "std      10.130552    0.0    13.348093    53.214754     6.742765    2.683920   \n",
+       "min     200.000000  125.0   270.000000   470.000000    17.000000   70.000000   \n",
+       "25%     300.000000  125.0   405.000000   700.000000    24.000000   80.000000   \n",
+       "50%     300.000000  125.0   405.000000   700.000000    29.000000   80.000000   \n",
+       "75%     300.000000  125.0   405.000000   700.000000    30.000000   80.000000   \n",
+       "max     300.000000  125.0   405.000000   980.000000    97.000000   82.000000   \n",
+       "\n",
+       "               A10          A12          A13          A15          A17  \\\n",
+       "count  1396.000000  1396.000000  1396.000000  1396.000000  1396.000000   \n",
+       "mean    100.861032   102.641834     0.199907   103.829370   104.766905   \n",
+       "std       0.905198     0.915387     0.002524     0.963639     1.401446   \n",
+       "min     100.000000    98.000000     0.120000   100.000000    89.000000   \n",
+       "25%     100.000000   102.000000     0.200000   103.000000   104.000000   \n",
+       "50%     101.000000   103.000000     0.200000   104.000000   105.000000   \n",
+       "75%     102.000000   103.000000     0.200000   104.000000   105.000000   \n",
+       "max     103.000000   107.000000     0.200000   109.000000   108.000000   \n",
+       "\n",
+       "               A18          A19          A21          A22          A23  \\\n",
+       "count  1396.000000  1396.000000  1393.000000  1396.000000  1393.000000   \n",
+       "mean      0.199928   231.067335    48.707825     9.117120     5.002872   \n",
+       "std       0.002676    50.478071     4.976531     0.369152     0.136638   \n",
+       "min       0.100000   100.000000    20.000000     3.500000     4.000000   \n",
+       "25%       0.200000   200.000000    50.000000     9.000000     5.000000   \n",
+       "50%       0.200000   200.000000    50.000000     9.000000     5.000000   \n",
+       "75%       0.200000   300.000000    50.000000     9.000000     5.000000   \n",
+       "max       0.200000   350.000000    90.000000    10.000000    10.000000   \n",
+       "\n",
+       "               A27           B1           B2           B3           B6  \\\n",
+       "count  1396.000000  1386.000000  1394.000000  1394.000000  1396.000000   \n",
+       "mean     74.396848   334.452742     3.454412     3.500072    72.065186   \n",
+       "std       3.044490   105.120753     0.388585     0.002678     9.161986   \n",
+       "min      45.000000     3.500000     0.150000     3.500000    40.000000   \n",
+       "25%      73.000000   320.000000     3.500000     3.500000    65.000000   \n",
+       "50%      73.000000   320.000000     3.500000     3.500000    78.000000   \n",
+       "75%      77.000000   330.000000     3.500000     3.500000    80.000000   \n",
+       "max      80.000000  1200.000000     3.600000     3.600000    80.000000   \n",
+       "\n",
+       "                B8          B12          B13          B14           收率  \n",
+       "count  1395.000000  1395.000000  1395.000000  1396.000000  1396.000000  \n",
+       "mean     43.709677  1020.215054     0.149419   410.403295     0.923244  \n",
+       "std       4.338396   205.920155     0.008213    26.018410     0.030880  \n",
+       "min      20.000000   400.000000     0.030000    40.000000     0.624000  \n",
+       "25%      45.000000   800.000000     0.150000   400.000000     0.902000  \n",
+       "50%      45.000000  1200.000000     0.150000   400.000000     0.925000  \n",
+       "75%      45.000000  1200.000000     0.150000   420.000000     0.943000  \n",
+       "max      73.000000  1200.000000     0.150000   460.000000     1.000800  "
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# pd.set_option('display.max_rows',100)#设置最大可见100行\n",
+    "pd.set_option('display.max_columns',100) #给最大列设置为100列\n",
+    "df_trn.describe()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "**观测点：**\n",
+    "<ul>\n",
+    "    <li>A5、A9等字段的describe没有了，而head()是有的，说明这些字段有问题\n",
+    "    <li>理论上，std（方差也可以）越大表明特征间的差异越大，这样模型能学到区分性，但是过大可能是数据有离群值，B1、B12是需要关注的，再看其它值，B1里面最小值是3.5，25%/50%/75%都是320，3.5非常离群，而B12里最小值和中位数和最大值像是递进。"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 5,
diff --git a/机器学习竞赛实战_优胜解决方案/工业化工生产预测/工业生产预测.ipynb b/机器学习竞赛实战_优胜解决方案/工业化工生产预测/工业生产预测.ipynb
index de8a0a6..d2d70e4 100644
--- a/机器学习竞赛实战_优胜解决方案/工业化工生产预测/工业生产预测.ipynb
+++ b/机器学习竞赛实战_优胜解决方案/工业化工生产预测/工业生产预测.ipynb
@@ -334,9 +334,374 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
+    "### 如何确定字段需要处理\n",
     "我们需要解决一些异常值，如某值相对其它值过大的离群点"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "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>A1</th>\n",
+       "      <th>A2</th>\n",
+       "      <th>A3</th>\n",
+       "      <th>A4</th>\n",
+       "      <th>A6</th>\n",
+       "      <th>A8</th>\n",
+       "      <th>A10</th>\n",
+       "      <th>A12</th>\n",
+       "      <th>A13</th>\n",
+       "      <th>A15</th>\n",
+       "      <th>A17</th>\n",
+       "      <th>A18</th>\n",
+       "      <th>A19</th>\n",
+       "      <th>A21</th>\n",
+       "      <th>A22</th>\n",
+       "      <th>A23</th>\n",
+       "      <th>A27</th>\n",
+       "      <th>B1</th>\n",
+       "      <th>B2</th>\n",
+       "      <th>B3</th>\n",
+       "      <th>B6</th>\n",
+       "      <th>B8</th>\n",
+       "      <th>B12</th>\n",
+       "      <th>B13</th>\n",
+       "      <th>B14</th>\n",
+       "      <th>收率</th>\n",
+       "    </tr>\n",
+       "  </thead>\n",
+       "  <tbody>\n",
+       "    <tr>\n",
+       "      <th>count</th>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>42.0</td>\n",
+       "      <td>1354.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>149.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1393.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1393.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1386.000000</td>\n",
+       "      <td>1394.000000</td>\n",
+       "      <td>1394.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1395.000000</td>\n",
+       "      <td>1395.000000</td>\n",
+       "      <td>1395.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "      <td>1396.000000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>mean</th>\n",
+       "      <td>298.853868</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>403.515510</td>\n",
+       "      <td>705.974212</td>\n",
+       "      <td>28.287751</td>\n",
+       "      <td>78.818792</td>\n",
+       "      <td>100.861032</td>\n",
+       "      <td>102.641834</td>\n",
+       "      <td>0.199907</td>\n",
+       "      <td>103.829370</td>\n",
+       "      <td>104.766905</td>\n",
+       "      <td>0.199928</td>\n",
+       "      <td>231.067335</td>\n",
+       "      <td>48.707825</td>\n",
+       "      <td>9.117120</td>\n",
+       "      <td>5.002872</td>\n",
+       "      <td>74.396848</td>\n",
+       "      <td>334.452742</td>\n",
+       "      <td>3.454412</td>\n",
+       "      <td>3.500072</td>\n",
+       "      <td>72.065186</td>\n",
+       "      <td>43.709677</td>\n",
+       "      <td>1020.215054</td>\n",
+       "      <td>0.149419</td>\n",
+       "      <td>410.403295</td>\n",
+       "      <td>0.923244</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>std</th>\n",
+       "      <td>10.130552</td>\n",
+       "      <td>0.0</td>\n",
+       "      <td>13.348093</td>\n",
+       "      <td>53.214754</td>\n",
+       "      <td>6.742765</td>\n",
+       "      <td>2.683920</td>\n",
+       "      <td>0.905198</td>\n",
+       "      <td>0.915387</td>\n",
+       "      <td>0.002524</td>\n",
+       "      <td>0.963639</td>\n",
+       "      <td>1.401446</td>\n",
+       "      <td>0.002676</td>\n",
+       "      <td>50.478071</td>\n",
+       "      <td>4.976531</td>\n",
+       "      <td>0.369152</td>\n",
+       "      <td>0.136638</td>\n",
+       "      <td>3.044490</td>\n",
+       "      <td>105.120753</td>\n",
+       "      <td>0.388585</td>\n",
+       "      <td>0.002678</td>\n",
+       "      <td>9.161986</td>\n",
+       "      <td>4.338396</td>\n",
+       "      <td>205.920155</td>\n",
+       "      <td>0.008213</td>\n",
+       "      <td>26.018410</td>\n",
+       "      <td>0.030880</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>min</th>\n",
+       "      <td>200.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>270.000000</td>\n",
+       "      <td>470.000000</td>\n",
+       "      <td>17.000000</td>\n",
+       "      <td>70.000000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>98.000000</td>\n",
+       "      <td>0.120000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>89.000000</td>\n",
+       "      <td>0.100000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>4.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>40.000000</td>\n",
+       "      <td>20.000000</td>\n",
+       "      <td>400.000000</td>\n",
+       "      <td>0.030000</td>\n",
+       "      <td>40.000000</td>\n",
+       "      <td>0.624000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>25%</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>700.000000</td>\n",
+       "      <td>24.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>100.000000</td>\n",
+       "      <td>102.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>104.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>200.000000</td>\n",
+       "      <td>50.000000</td>\n",
+       "      <td>9.000000</td>\n",
+       "      <td>5.000000</td>\n",
+       "      <td>73.000000</td>\n",
+       "      <td>320.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>65.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>800.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>400.000000</td>\n",
+       "      <td>0.902000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>50%</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>700.000000</td>\n",
+       "      <td>29.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>101.000000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>104.000000</td>\n",
+       "      <td>105.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>200.000000</td>\n",
+       "      <td>50.000000</td>\n",
+       "      <td>9.000000</td>\n",
+       "      <td>5.000000</td>\n",
+       "      <td>73.000000</td>\n",
+       "      <td>320.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>78.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>400.000000</td>\n",
+       "      <td>0.925000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>75%</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>700.000000</td>\n",
+       "      <td>30.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>102.000000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>104.000000</td>\n",
+       "      <td>105.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>50.000000</td>\n",
+       "      <td>9.000000</td>\n",
+       "      <td>5.000000</td>\n",
+       "      <td>77.000000</td>\n",
+       "      <td>330.000000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>3.500000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>45.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>420.000000</td>\n",
+       "      <td>0.943000</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>max</th>\n",
+       "      <td>300.000000</td>\n",
+       "      <td>125.0</td>\n",
+       "      <td>405.000000</td>\n",
+       "      <td>980.000000</td>\n",
+       "      <td>97.000000</td>\n",
+       "      <td>82.000000</td>\n",
+       "      <td>103.000000</td>\n",
+       "      <td>107.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>109.000000</td>\n",
+       "      <td>108.000000</td>\n",
+       "      <td>0.200000</td>\n",
+       "      <td>350.000000</td>\n",
+       "      <td>90.000000</td>\n",
+       "      <td>10.000000</td>\n",
+       "      <td>10.000000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>3.600000</td>\n",
+       "      <td>3.600000</td>\n",
+       "      <td>80.000000</td>\n",
+       "      <td>73.000000</td>\n",
+       "      <td>1200.000000</td>\n",
+       "      <td>0.150000</td>\n",
+       "      <td>460.000000</td>\n",
+       "      <td>1.000800</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                A1     A2           A3           A4           A6          A8  \\\n",
+       "count  1396.000000   42.0  1354.000000  1396.000000  1396.000000  149.000000   \n",
+       "mean    298.853868  125.0   403.515510   705.974212    28.287751   78.818792   \n",
+       "std      10.130552    0.0    13.348093    53.214754     6.742765    2.683920   \n",
+       "min     200.000000  125.0   270.000000   470.000000    17.000000   70.000000   \n",
+       "25%     300.000000  125.0   405.000000   700.000000    24.000000   80.000000   \n",
+       "50%     300.000000  125.0   405.000000   700.000000    29.000000   80.000000   \n",
+       "75%     300.000000  125.0   405.000000   700.000000    30.000000   80.000000   \n",
+       "max     300.000000  125.0   405.000000   980.000000    97.000000   82.000000   \n",
+       "\n",
+       "               A10          A12          A13          A15          A17  \\\n",
+       "count  1396.000000  1396.000000  1396.000000  1396.000000  1396.000000   \n",
+       "mean    100.861032   102.641834     0.199907   103.829370   104.766905   \n",
+       "std       0.905198     0.915387     0.002524     0.963639     1.401446   \n",
+       "min     100.000000    98.000000     0.120000   100.000000    89.000000   \n",
+       "25%     100.000000   102.000000     0.200000   103.000000   104.000000   \n",
+       "50%     101.000000   103.000000     0.200000   104.000000   105.000000   \n",
+       "75%     102.000000   103.000000     0.200000   104.000000   105.000000   \n",
+       "max     103.000000   107.000000     0.200000   109.000000   108.000000   \n",
+       "\n",
+       "               A18          A19          A21          A22          A23  \\\n",
+       "count  1396.000000  1396.000000  1393.000000  1396.000000  1393.000000   \n",
+       "mean      0.199928   231.067335    48.707825     9.117120     5.002872   \n",
+       "std       0.002676    50.478071     4.976531     0.369152     0.136638   \n",
+       "min       0.100000   100.000000    20.000000     3.500000     4.000000   \n",
+       "25%       0.200000   200.000000    50.000000     9.000000     5.000000   \n",
+       "50%       0.200000   200.000000    50.000000     9.000000     5.000000   \n",
+       "75%       0.200000   300.000000    50.000000     9.000000     5.000000   \n",
+       "max       0.200000   350.000000    90.000000    10.000000    10.000000   \n",
+       "\n",
+       "               A27           B1           B2           B3           B6  \\\n",
+       "count  1396.000000  1386.000000  1394.000000  1394.000000  1396.000000   \n",
+       "mean     74.396848   334.452742     3.454412     3.500072    72.065186   \n",
+       "std       3.044490   105.120753     0.388585     0.002678     9.161986   \n",
+       "min      45.000000     3.500000     0.150000     3.500000    40.000000   \n",
+       "25%      73.000000   320.000000     3.500000     3.500000    65.000000   \n",
+       "50%      73.000000   320.000000     3.500000     3.500000    78.000000   \n",
+       "75%      77.000000   330.000000     3.500000     3.500000    80.000000   \n",
+       "max      80.000000  1200.000000     3.600000     3.600000    80.000000   \n",
+       "\n",
+       "                B8          B12          B13          B14           收率  \n",
+       "count  1395.000000  1395.000000  1395.000000  1396.000000  1396.000000  \n",
+       "mean     43.709677  1020.215054     0.149419   410.403295     0.923244  \n",
+       "std       4.338396   205.920155     0.008213    26.018410     0.030880  \n",
+       "min      20.000000   400.000000     0.030000    40.000000     0.624000  \n",
+       "25%      45.000000   800.000000     0.150000   400.000000     0.902000  \n",
+       "50%      45.000000  1200.000000     0.150000   400.000000     0.925000  \n",
+       "75%      45.000000  1200.000000     0.150000   420.000000     0.943000  \n",
+       "max      73.000000  1200.000000     0.150000   460.000000     1.000800  "
+      ]
+     },
+     "execution_count": 5,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "# pd.set_option('display.max_rows',100)#设置最大可见100行\n",
+    "pd.set_option('display.max_columns',100) #给最大列设置为100列\n",
+    "df_trn.describe()"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "**观测点：**\n",
+    "<ul>\n",
+    "    <li>A5、A9等字段的describe没有了，而head()是有的，说明这些字段有问题\n",
+    "    <li>理论上，std（方差也可以）越大表明特征间的差异越大，这样模型能学到区分性，但是过大可能是数据有离群值，B1、B12是需要关注的，再看其它值，B1里面最小值是3.5，25%/50%/75%都是320，3.5非常离群，而B12里最小值和中位数和最大值像是递进。"
+   ]
+  },
   {
    "cell_type": "code",
    "execution_count": 5,