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ch07/04_preference-tuning-with-dpo/dpo-from-scratch.ipynb
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@ -131,7 +131,7 @@
"- In other words, DPO focuses on directly optimizing the model's output to align with human preferences or specific objectives\n", "- In other words, DPO focuses on directly optimizing the model's output to align with human preferences or specific objectives\n",
"- Shown below is the main idea as an overview of how DPO works\n", "- Shown below is the main idea as an overview of how DPO works\n",
"\n", "\n",
"<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/dpo/5.webp\" width=600px>" "<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/dpo/5.webp?123\" width=600px>"
] ]
}, },
{ {
@ -143,7 +143,7 @@
"source": [ "source": [
"- The concrete equation to implement the DPO loss is shown below; we will revisit the equation when we implement it in Python further down in this code notebook\n", "- The concrete equation to implement the DPO loss is shown below; we will revisit the equation when we implement it in Python further down in this code notebook\n",
"\n", "\n",
"<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/dpo/3.webp\" width=600px>" "<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/dpo/3.webp?123\" width=600px>"
] ]
}, },
{ {
@ -1807,7 +1807,7 @@
"- Note that the DPO loss code below is based on the method proposed in the [Direct Preference Optimization: Your Language Model is Secretly a Reward Model](https://arxiv.org/abs/2305.18290) paper\n", "- Note that the DPO loss code below is based on the method proposed in the [Direct Preference Optimization: Your Language Model is Secretly a Reward Model](https://arxiv.org/abs/2305.18290) paper\n",
"- For reference, the core DPO equation is shown again below:\n", "- For reference, the core DPO equation is shown again below:\n",
"\n", "\n",
"<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/dpo/3.webp\" width=800px>\n", "<img src=\"https://sebastianraschka.com/images/LLMs-from-scratch-images/dpo/3.webp?123\" width=800px>\n",
"\n", "\n",
"- In the equation above,\n", "- In the equation above,\n",
" - \"expected value\" $\\mathbb{E}$ is statistics jargon and stands for the average or mean value of the random variable (the expression inside the brackets)\n", " - \"expected value\" $\\mathbb{E}$ is statistics jargon and stands for the average or mean value of the random variable (the expression inside the brackets)\n",
@ -3088,7 +3088,7 @@
"name": "python", "name": "python",
"nbconvert_exporter": "python", "nbconvert_exporter": "python",
"pygments_lexer": "ipython3", "pygments_lexer": "ipython3",
"version": "3.11.9" "version": "3.10.6"
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"nbformat": 4, "nbformat": 4,