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    "# Artificial intelligence\n",
    "\n",
    "## Catelogires\n",
    "- Narrow AI - when a machine has superior performance to a human when doing one specific task.\n",
    "- General AI is when a machine is similar in its performance to a human in any intellectual task.\n",
    "- Strong AI is when a machine is superior to humans in any intellectual task.\n",
    "\n",
    "## Machine learning\n",
    "A subset of AI\n",
    "\n",
    "### Supervised Learning\n",
    "uses regression and classification analysis\n",
    "- requires input and output\n",
    "- uses labelled data\n",
    "- receive set of inputs and correct outputs to permit learning process\n",
    "- once trained, the model is run using labelled data (to refine / reinforce)\n",
    "- results compared with expected output.\n",
    "- model is run with unlabelled data"
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    "## Deep learning\n",
    "- machines that think in a way similar to the human brain. They handle huge amounts of data using artificial neural networks.\n",
    "## Artificial neural networks\n",
    "- networks of interconnected nodes."
   ]
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