generate_static_signals.ipynb

generate_static_signals.ipynb

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   "source": [
    "def generate_static_signals(lat, lng, start_time, end_time, sampling_rate=600):\n",
    "\n",
    "  signals_list = []\n",
    "  signal_time = start_time + timedelta(seconds=int(np.random.choice([5,10,15]))) # start smaple couple of second after visits start\n",
    "\n",
    "  noise_list = np.linspace(0.9999997, 1.000003) # noise factor\n",
    "\n",
    "  while end_time > signal_time:\n",
    "    signals_list.append({'lat': lat*np.random.choice(noise_list), \n",
    "                          'lng': lng*np.random.choice(noise_list),\n",
    "                          'timestamp': signal_time})\n",
    "    signal_time += timedelta(seconds=sampling_rate - \n",
    "                            int(np.random.choice(range(0,59))))\n",
    "  \n",
    "  return pd.DataFrame(signals_list).sort_values('timestamp')"
   ]
  }
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