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soled a typo in nlp.ipynb #993

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4 changes: 2 additions & 2 deletions nlp.ipynb
Expand Up @@ -85,7 +85,7 @@
"S -> aSb [0.7] | ε [0.3]\n",
"```\n",
"\n",
"Now we know it is more likely for `S` to be replaced by `aSb` than by `e`.\n",
"Now we know it is more likely for `S` to be replaced by `aSb` than by `ε`.\n",
"\n",
"An issue with *PCFGs* is how we will assign the various probabilities to the rules. We could use our knowledge as humans to assign the probabilities, but that is a laborious and prone to error task. Instead, we can *learn* the probabilities from data. Data is categorized as labeled (with correctly parsed sentences, usually called a **treebank**) or unlabeled (given only lexical and syntactic category names).\n",
"\n",
Expand Down Expand Up @@ -1034,7 +1034,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.5.3"
"version": "3.5.2"
}
},
"nbformat": 4,
Expand Down