Untitled.ipynb

Prepending Zeros to variable array .ipynb

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      "source": "import numpy as np\nimport theano.tensor as tt\nimport pymc3 as pm",
      "execution_count": 1,
      "outputs": [
        {
          "output_type": "stream",
          "text": "WARNING (theano.gof.compilelock): Overriding existing lock by dead process '24325' (I am process '1577')\n",
          "name": "stderr"
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      "cell_type": "code",
      "source": "with pm.Model() as model:\n    \n    β = pm.Normal('β', 0.5, sd=1000, shape=2)\n    \n    # Initialize a tensor of zeros, and replace all but one with the variables\n    betas = tt.set_subtensor(tt.zeros(shape=3)[1:], β)\n    ",
      "execution_count": 5,
      "outputs": []
    },
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      "cell_type": "code",
      "source": "betas.tag.test_value",
      "execution_count": 6,
      "outputs": [
        {
          "output_type": "execute_result",
          "data": {
            "text/plain": "array([ 0. ,  0.5,  0.5])"
          },
          "metadata": {},
          "execution_count": 6
        }
      ]
    }
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