update_csv.ipynb

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     "name": "stdout",
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     "text": [
      "        x    y  yaw  ref_v\n",
      "0     0.0  0.0  0.0    3.5\n",
      "1     0.1  0.0  0.0    3.5\n",
      "2     0.2  0.0  0.0    3.5\n",
      "3     0.3  0.0  0.0    3.5\n",
      "4     0.4  0.0  0.0    3.5\n",
      "...   ...  ...  ...    ...\n",
      "1196 -0.4  0.0  0.0    3.5\n",
      "1197 -0.3  0.0  0.0    3.5\n",
      "1198 -0.2  0.0  0.0    3.5\n",
      "1199 -0.1  0.0  0.0    3.5\n",
      "1200  0.0  0.0  0.0    3.5\n",
      "\n",
      "[1201 rows x 4 columns]\n"
     ]
    }
   ],
   "source": [
    "import pandas as pd\n",
    "\n",
    "# Load the CSV file\n",
    "df = pd.read_csv('./data/ovalpath_diff.csv')\n",
    "\n",
    "# Set all 'ref_v' values to 3.5\n",
    "df['ref_v'] = 4.5\n",
    "\n",
    "# Save the updated DataFrame back to the CSV file if needed\n",
    "df.to_csv('./data/ovalpath_diff.csv', index=False)\n",
    "\n",
    "# Display the updated DataFrame (optional)\n",
    "print(df)"
   ]
  }
 ],
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