Stack Overflow- number of active experts upto 2017.ipynb

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   "source": [
    "[Stack Overflow: Number of active experts per week (2016-2017)](https://data.stackexchange.com/ru/query/773714/number-of-active-experts-per-week?year=2016&week=0#graph)"
   ]
  },
  {
   "cell_type": "code",
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   "source": [
    "import pandas as pd\n",
    "df = pd.read_csv('QueryResults-773714-2017.csv')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
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     "output_type": "stream",
     "text": [
      "2015 83.3137254902\n",
      "2016 139.843137255\n",
      "2017 126.673469388\n"
     ]
    }
   ],
   "source": [
    "for y in range(2015, 2018):\n",
    "    print(y, df[(df.YR_WK>y) & (df.YR_WK < (y+1))].NumActiveExperts.mean())"
   ]
  }
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