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{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "cdd7b111",
   "metadata": {},
   "source": [
    "### EDA and Data Lookup"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "50ddeacc",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:31.659870Z",
     "iopub.status.busy": "2026-07-05T07:01:31.659399Z",
     "iopub.status.idle": "2026-07-05T07:01:32.505941Z",
     "shell.execute_reply": "2026-07-05T07:01:32.504134Z"
    }
   },
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "599b8d5d",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.510739Z",
     "iopub.status.busy": "2026-07-05T07:01:32.510245Z",
     "iopub.status.idle": "2026-07-05T07:01:32.593359Z",
     "shell.execute_reply": "2026-07-05T07:01:32.591374Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>role</th>\n",
       "      <th>type</th>\n",
       "      <th>job_desc</th>\n",
       "      <th>year</th>\n",
       "      <th>qualification</th>\n",
       "      <th>experience</th>\n",
       "      <th>tech_skills</th>\n",
       "      <th>soft_skills</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Internship</td>\n",
       "      <td>Final year students / recent graduates in CS, ...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0</td>\n",
       "      <td>Python, ML, LangChain, Hugging Face, OpenAI API</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Internship</td>\n",
       "      <td>Proficiency in Python and comfort working with...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0</td>\n",
       "      <td>Python, APIs, LLMs, Prompt Engineering, LangCh...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Internship</td>\n",
       "      <td>Strong interest in AI and a willingness to lea...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0</td>\n",
       "      <td>Python, Javascript, React, Full Stack, APIs, M...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Senior</td>\n",
       "      <td>6+ years full-stack software engineering exper...</td>\n",
       "      <td>2026</td>\n",
       "      <td>NaN</td>\n",
       "      <td>5-10</td>\n",
       "      <td>Python, Javascript, React, Full Stack, SQL, AP...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Junior</td>\n",
       "      <td>AI/ML models, Python, Core ML concepts, ML fra...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0-1</td>\n",
       "      <td>Python, ML, TensorFlow/PyTorch, Scikit-Learn, ...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   id         role        type  \\\n",
       "0   1  AI Engineer  Internship   \n",
       "1   2  AI Engineer  Internship   \n",
       "2   3  AI Engineer  Internship   \n",
       "3   4  AI Engineer      Senior   \n",
       "4   5  AI Engineer      Junior   \n",
       "\n",
       "                                            job_desc  year qualification  \\\n",
       "0  Final year students / recent graduates in CS, ...  2026     Bachelors   \n",
       "1  Proficiency in Python and comfort working with...  2026     Bachelors   \n",
       "2  Strong interest in AI and a willingness to lea...  2026     Bachelors   \n",
       "3  6+ years full-stack software engineering exper...  2026           NaN   \n",
       "4  AI/ML models, Python, Core ML concepts, ML fra...  2026     Bachelors   \n",
       "\n",
       "  experience                                        tech_skills  \\\n",
       "0          0    Python, ML, LangChain, Hugging Face, OpenAI API   \n",
       "1          0  Python, APIs, LLMs, Prompt Engineering, LangCh...   \n",
       "2          0  Python, Javascript, React, Full Stack, APIs, M...   \n",
       "3       5-10  Python, Javascript, React, Full Stack, SQL, AP...   \n",
       "4        0-1  Python, ML, TensorFlow/PyTorch, Scikit-Learn, ...   \n",
       "\n",
       "                      soft_skills  \n",
       "0  Communication, Problem Solving  \n",
       "1  Communication, Problem Solving  \n",
       "2  Communication, Problem Solving  \n",
       "3  Communication, Problem Solving  \n",
       "4  Communication, Problem Solving  "
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df = pd.read_csv(r\"C:\\Portfolio-Projects\\Job-Description-Analysis\\data\\raw\\Job_descriptions.csv\")\n",
    "df.head(5)"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "4addff6c",
   "metadata": {},
   "source": [
    "### EDA"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "4f762807",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.596937Z",
     "iopub.status.busy": "2026-07-05T07:01:32.596513Z",
     "iopub.status.idle": "2026-07-05T07:01:32.606232Z",
     "shell.execute_reply": "2026-07-05T07:01:32.605189Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "id               210\n",
       "role             210\n",
       "type             210\n",
       "job_desc         210\n",
       "year             210\n",
       "qualification    210\n",
       "experience       210\n",
       "tech_skills      210\n",
       "soft_skills      210\n",
       "dtype: int64"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.isna().count()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "e9aab529",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.610391Z",
     "iopub.status.busy": "2026-07-05T07:01:32.609903Z",
     "iopub.status.idle": "2026-07-05T07:01:32.628368Z",
     "shell.execute_reply": "2026-07-05T07:01:32.627211Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>year</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>count</th>\n",
       "      <td>210.000000</td>\n",
       "      <td>210.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>mean</th>\n",
       "      <td>105.823810</td>\n",
       "      <td>2026.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>std</th>\n",
       "      <td>60.033264</td>\n",
       "      <td>0.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>min</th>\n",
       "      <td>1.000000</td>\n",
       "      <td>2026.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25%</th>\n",
       "      <td>54.250000</td>\n",
       "      <td>2026.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>50%</th>\n",
       "      <td>106.500000</td>\n",
       "      <td>2026.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>75%</th>\n",
       "      <td>158.750000</td>\n",
       "      <td>2026.0</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>max</th>\n",
       "      <td>201.000000</td>\n",
       "      <td>2026.0</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "               id    year\n",
       "count  210.000000   210.0\n",
       "mean   105.823810  2026.0\n",
       "std     60.033264     0.0\n",
       "min      1.000000  2026.0\n",
       "25%     54.250000  2026.0\n",
       "50%    106.500000  2026.0\n",
       "75%    158.750000  2026.0\n",
       "max    201.000000  2026.0"
      ]
     },
     "execution_count": 4,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.describe()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "e21cc8a1",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.632751Z",
     "iopub.status.busy": "2026-07-05T07:01:32.632391Z",
     "iopub.status.idle": "2026-07-05T07:01:32.652382Z",
     "shell.execute_reply": "2026-07-05T07:01:32.650828Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<class 'pandas.DataFrame'>\n",
      "RangeIndex: 210 entries, 0 to 209\n",
      "Data columns (total 9 columns):\n",
      " #   Column         Non-Null Count  Dtype\n",
      "---  ------         --------------  -----\n",
      " 0   id             210 non-null    int64\n",
      " 1   role           210 non-null    str  \n",
      " 2   type           210 non-null    str  \n",
      " 3   job_desc       210 non-null    str  \n",
      " 4   year           210 non-null    int64\n",
      " 5   qualification  171 non-null    str  \n",
      " 6   experience     210 non-null    str  \n",
      " 7   tech_skills    210 non-null    str  \n",
      " 8   soft_skills    210 non-null    str  \n",
      "dtypes: int64(2), str(7)\n",
      "memory usage: 14.9 KB\n"
     ]
    }
   ],
   "source": [
    "df.info()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "id": "d3f29f62",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.656033Z",
     "iopub.status.busy": "2026-07-05T07:01:32.655547Z",
     "iopub.status.idle": "2026-07-05T07:01:32.671172Z",
     "shell.execute_reply": "2026-07-05T07:01:32.669846Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>id</th>\n",
       "      <th>role</th>\n",
       "      <th>type</th>\n",
       "      <th>job_desc</th>\n",
       "      <th>year</th>\n",
       "      <th>qualification</th>\n",
       "      <th>experience</th>\n",
       "      <th>tech_skills</th>\n",
       "      <th>soft_skills</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>1</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Internship</td>\n",
       "      <td>Final year students / recent graduates in CS, ...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0</td>\n",
       "      <td>Python, ML, LangChain, Hugging Face, OpenAI API</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>2</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Internship</td>\n",
       "      <td>Proficiency in Python and comfort working with...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0</td>\n",
       "      <td>Python, APIs, LLMs, Prompt Engineering, LangCh...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>3</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Internship</td>\n",
       "      <td>Strong interest in AI and a willingness to lea...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0</td>\n",
       "      <td>Python, Javascript, React, Full Stack, APIs, M...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>4</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Senior</td>\n",
       "      <td>6+ years full-stack software engineering exper...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Not Specified</td>\n",
       "      <td>5-10</td>\n",
       "      <td>Python, Javascript, React, Full Stack, SQL, AP...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>5</td>\n",
       "      <td>AI Engineer</td>\n",
       "      <td>Junior</td>\n",
       "      <td>AI/ML models, Python, Core ML concepts, ML fra...</td>\n",
       "      <td>2026</td>\n",
       "      <td>Bachelors</td>\n",
       "      <td>0-1</td>\n",
       "      <td>Python, ML, TensorFlow/PyTorch, Scikit-Learn, ...</td>\n",
       "      <td>Communication, Problem Solving</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "   id         role        type  \\\n",
       "0   1  AI Engineer  Internship   \n",
       "1   2  AI Engineer  Internship   \n",
       "2   3  AI Engineer  Internship   \n",
       "3   4  AI Engineer      Senior   \n",
       "4   5  AI Engineer      Junior   \n",
       "\n",
       "                                            job_desc  year  qualification  \\\n",
       "0  Final year students / recent graduates in CS, ...  2026      Bachelors   \n",
       "1  Proficiency in Python and comfort working with...  2026      Bachelors   \n",
       "2  Strong interest in AI and a willingness to lea...  2026      Bachelors   \n",
       "3  6+ years full-stack software engineering exper...  2026  Not Specified   \n",
       "4  AI/ML models, Python, Core ML concepts, ML fra...  2026      Bachelors   \n",
       "\n",
       "  experience                                        tech_skills  \\\n",
       "0          0    Python, ML, LangChain, Hugging Face, OpenAI API   \n",
       "1          0  Python, APIs, LLMs, Prompt Engineering, LangCh...   \n",
       "2          0  Python, Javascript, React, Full Stack, APIs, M...   \n",
       "3       5-10  Python, Javascript, React, Full Stack, SQL, AP...   \n",
       "4        0-1  Python, ML, TensorFlow/PyTorch, Scikit-Learn, ...   \n",
       "\n",
       "                      soft_skills  \n",
       "0  Communication, Problem Solving  \n",
       "1  Communication, Problem Solving  \n",
       "2  Communication, Problem Solving  \n",
       "3  Communication, Problem Solving  \n",
       "4  Communication, Problem Solving  "
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.fillna('Not Specified', inplace=True).head(5)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "id": "719b05fd",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.675240Z",
     "iopub.status.busy": "2026-07-05T07:01:32.674649Z",
     "iopub.status.idle": "2026-07-05T07:01:32.687557Z",
     "shell.execute_reply": "2026-07-05T07:01:32.686187Z"
    }
   },
   "outputs": [
    {
     "data": {
      "text/plain": [
       "id               200\n",
       "role               2\n",
       "type               3\n",
       "job_desc         208\n",
       "year               1\n",
       "qualification      4\n",
       "experience         6\n",
       "tech_skills      205\n",
       "soft_skills        8\n",
       "dtype: int64"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.nunique()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "id": "b61eed8e",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.691255Z",
     "iopub.status.busy": "2026-07-05T07:01:32.690871Z",
     "iopub.status.idle": "2026-07-05T07:01:32.698027Z",
     "shell.execute_reply": "2026-07-05T07:01:32.696400Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<StringArray>\n",
      "['AI Engineer', 'AI Developer']\n",
      "Length: 2, dtype: str\n"
     ]
    }
   ],
   "source": [
    "role_unique = df['role'].unique()\n",
    "print(role_unique)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "id": "456c159c",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.701548Z",
     "iopub.status.busy": "2026-07-05T07:01:32.701190Z",
     "iopub.status.idle": "2026-07-05T07:01:32.707737Z",
     "shell.execute_reply": "2026-07-05T07:01:32.706063Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<StringArray>\n",
      "['Internship', 'Senior', 'Junior']\n",
      "Length: 3, dtype: str\n"
     ]
    }
   ],
   "source": [
    "type_unique = df['type'].unique()\n",
    "print(type_unique)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "id": "0748fbf2",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.711265Z",
     "iopub.status.busy": "2026-07-05T07:01:32.710734Z",
     "iopub.status.idle": "2026-07-05T07:01:32.717419Z",
     "shell.execute_reply": "2026-07-05T07:01:32.715670Z"
    }
   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<StringArray>\n",
      "['0', '5-10', '0-1', '1-5', '15+', '10-15']\n",
      "Length: 6, dtype: str\n"
     ]
    }
   ],
   "source": [
    "experience_unique = df['experience'].unique()\n",
    "print(experience_unique)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "id": "2b03a4a0",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2026-07-05T07:01:32.720912Z",
     "iopub.status.busy": "2026-07-05T07:01:32.720366Z",
     "iopub.status.idle": "2026-07-05T07:01:32.739180Z",
     "shell.execute_reply": "2026-07-05T07:01:32.737432Z"
    }
   },
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "<>:1: SyntaxWarning: \"\\P\" is an invalid escape sequence. Such sequences will not work in the future. Did you mean \"\\\\P\"? A raw string is also an option.\n",
      "<>:1: SyntaxWarning: \"\\P\" is an invalid escape sequence. Such sequences will not work in the future. Did you mean \"\\\\P\"? A raw string is also an option.\n",
      "C:\\Users\\Akshay\\AppData\\Local\\Temp\\ipykernel_2816\\2088954097.py:1: SyntaxWarning: \"\\P\" is an invalid escape sequence. Such sequences will not work in the future. Did you mean \"\\\\P\"? A raw string is also an option.\n",
      "  df.to_csv(\"C:\\Portfolio-Projects\\Job-Description-Analysis\\data\\clean\\cleaned_job_descriptions.csv\", index=False)\n"
     ]
    }
   ],
   "source": [
    "df.to_csv(\"C:\\Portfolio-Projects\\Job-Description-Analysis\\data\\clean\\cleaned_job_descriptions.csv\", index=False)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "284aa9f4",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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