NLP ML (Built-In)

10 Create feature for text message length and of punctuation in text.ipynb

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   "source": [
    "## Create feature for text message length and % of punctuation in text "
   ]
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       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
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       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>label</th>\n",
       "      <th>body_text</th>\n",
       "      <th>body_len</th>\n",
       "      <th>punct%</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>spam</td>\n",
       "      <td>Free entry in 2 a wkly comp to win FA Cup final tkts 21st May 2005. Text FA to 87121 to receive ...</td>\n",
       "      <td>128</td>\n",
       "      <td>4.7</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>ham</td>\n",
       "      <td>Nah I don't think he goes to usf, he lives around here though</td>\n",
       "      <td>49</td>\n",
       "      <td>4.1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>ham</td>\n",
       "      <td>Even my brother is not like to speak with me. They treat me like aids patent.</td>\n",
       "      <td>62</td>\n",
       "      <td>3.2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>ham</td>\n",
       "      <td>I HAVE A DATE ON SUNDAY WITH WILL!!</td>\n",
       "      <td>28</td>\n",
       "      <td>7.1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>ham</td>\n",
       "      <td>As per your request 'Melle Melle (Oru Minnaminunginte Nurungu Vettam)' has been set as your call...</td>\n",
       "      <td>135</td>\n",
       "      <td>4.4</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
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      "text/plain": [
       "  label  \\\n",
       "0  spam   \n",
       "1   ham   \n",
       "2   ham   \n",
       "3   ham   \n",
       "4   ham   \n",
       "\n",
       "                                                                                             body_text  \\\n",
       "0  Free entry in 2 a wkly comp to win FA Cup final tkts 21st May 2005. Text FA to 87121 to receive ...   \n",
       "1                                        Nah I don't think he goes to usf, he lives around here though   \n",
       "2                        Even my brother is not like to speak with me. They treat me like aids patent.   \n",
       "3                                                                  I HAVE A DATE ON SUNDAY WITH WILL!!   \n",
       "4  As per your request 'Melle Melle (Oru Minnaminunginte Nurungu Vettam)' has been set as your call...   \n",
       "\n",
       "   body_len  punct%  \n",
       "0       128     4.7  \n",
       "1        49     4.1  \n",
       "2        62     3.2  \n",
       "3        28     7.1  \n",
       "4       135     4.4  "
      ]
     },
     "execution_count": 27,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "import string\n",
    "\n",
    "# Function to calculate length of message excluding space\n",
    "data['body_len'] = data['body_text'].apply(lambda x: len(x) - x.count(\" \"))\n",
    "\n",
    "data.head()\n",
    "\n",
    "def count_punct(text):\n",
    "    count = sum([1 for char in text if char in string.punctuation])\n",
    "    return round(count/(len(text) - text.count(\" \")), 3)*100\n",
    "\n",
    "data['punct%'] = data['body_text'].apply(lambda x: count_punct(x))\n",
    "\n",
    "data.head()"
   ]
  }
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