{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pygwalker as pyg\n",
    "import polars as pl\n",
    "df = pl.read_csv('./298040/day/candle-day-250.csv',try_parse_dates = True)\n",
    "gwalker = pyg.walk(df)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div><style>\n",
       ".dataframe > thead > tr > th,\n",
       ".dataframe > tbody > tr > td {\n",
       "  text-align: right;\n",
       "}\n",
       "</style>\n",
       "<small>shape: (269, 4)</small><table border=\"1\" class=\"dataframe\"><thead><tr><th>ema-12</th><th>ema-24</th><th>ema-9</th><th>stockBusinessDate</th></tr><tr><td>f64</td><td>f64</td><td>f64</td><td>i64</td></tr></thead><tbody><tr><td>59911.60352</td><td>59889.675354</td><td>59814.168558</td><td>20220516</td></tr><tr><td>59851.850215</td><td>59853.99495</td><td>59692.710697</td><td>20220517</td></tr><tr><td>59829.057941</td><td>59841.298859</td><td>59615.888371</td><td>20220518</td></tr><tr><td>59802.759162</td><td>59827.49876</td><td>59519.860464</td><td>20220519</td></tr><tr><td>59957.029803</td><td>59916.846478</td><td>59699.82558</td><td>20220520</td></tr><tr><td>60058.111311</td><td>59970.485302</td><td>59799.781975</td><td>20220523</td></tr><tr><td>60174.74382</td><td>60028.788372</td><td>59924.727469</td><td>20220524</td></tr><tr><td>60447.781331</td><td>60170.422143</td><td>60305.909336</td><td>20220525</td></tr><tr><td>60901.286151</td><td>60402.632764</td><td>61007.386671</td><td>20220526</td></tr><tr><td>61163.022482</td><td>60507.209527</td><td>61459.233338</td><td>20220527</td></tr><tr><td>61449.641325</td><td>60612.184268</td><td>61999.041673</td><td>20220530</td></tr><tr><td>61641.893837</td><td>60648.026378</td><td>62448.802091</td><td>20220531</td></tr><tr><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td><td>&hellip;</td></tr><tr><td>87354.701447</td><td>88824.112259</td><td>85744.086036</td><td>20230530</td></tr><tr><td>88393.886285</td><td>89539.252455</td><td>87030.107546</td><td>20230531</td></tr><tr><td>89685.253406</td><td>90368.752669</td><td>88787.634432</td><td>20230601</td></tr><tr><td>90913.75393</td><td>91122.557248</td><td>90559.54304</td><td>20230602</td></tr><tr><td>91315.869919</td><td>91367.997009</td><td>91124.4288</td><td>20230605</td></tr><tr><td>91826.003753</td><td>91660.866314</td><td>91905.536</td><td>20230607</td></tr><tr><td>92106.927407</td><td>91805.289472</td><td>92381.92</td><td>20230608</td></tr><tr><td>92323.377778</td><td>91901.4016</td><td>92802.4</td><td>20230609</td></tr><tr><td>91834.666667</td><td>91588.48</td><td>92128.0</td><td>20230612</td></tr><tr><td>91440.0</td><td>91344.0</td><td>91560.0</td><td>20230613</td></tr><tr><td>91200.0</td><td>91200.0</td><td>91200.0</td><td>20230614</td></tr><tr><td>91200.0</td><td>91200.0</td><td>91200.0</td><td>20230615</td></tr></tbody></table></div>"
      ],
      "text/plain": [
       "shape: (269, 4)\n",
       "┌──────────────┬──────────────┬──────────────┬───────────────────┐\n",
       "│ ema-12       ┆ ema-24       ┆ ema-9        ┆ stockBusinessDate │\n",
       "│ ---          ┆ ---          ┆ ---          ┆ ---               │\n",
       "│ f64          ┆ f64          ┆ f64          ┆ i64               │\n",
       "╞══════════════╪══════════════╪══════════════╪═══════════════════╡\n",
       "│ 59911.60352  ┆ 59889.675354 ┆ 59814.168558 ┆ 20220516          │\n",
       "│ 59851.850215 ┆ 59853.99495  ┆ 59692.710697 ┆ 20220517          │\n",
       "│ 59829.057941 ┆ 59841.298859 ┆ 59615.888371 ┆ 20220518          │\n",
       "│ 59802.759162 ┆ 59827.49876  ┆ 59519.860464 ┆ 20220519          │\n",
       "│ …            ┆ …            ┆ …            ┆ …                 │\n",
       "│ 91834.666667 ┆ 91588.48     ┆ 92128.0      ┆ 20230612          │\n",
       "│ 91440.0      ┆ 91344.0      ┆ 91560.0      ┆ 20230613          │\n",
       "│ 91200.0      ┆ 91200.0      ┆ 91200.0      ┆ 20230614          │\n",
       "│ 91200.0      ┆ 91200.0      ┆ 91200.0      ┆ 20230615          │\n",
       "└──────────────┴──────────────┴──────────────┴───────────────────┘"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.sort(\"stockBusinessDate\", descending=False).select(pl.col(\"stockClosingPrice\").ewm_mean(span=14.0, adjust=False).alias(\"ema-12\"),\n",
    "          pl.col(\"stockClosingPrice\").ewm_mean(span=24.0, adjust=False).alias(\"ema-24\"),\n",
    "          pl.col(\"stockClosingPrice\").ewm_mean(span=9.0, adjust=False).alias(\"ema-9\"),\n",
    "          pl.col(\"stockBusinessDate\")\n",
    "          )"
   ]
  }
 ],
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