tweet-classifier.ipynb

{
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   "source": [
    "# Tweet classifier\n",
    "\n",
    "This is a basic prompt for detecting sentiment.\n",
    "\n",
    "## Settings\n",
    "\n",
    "| Setting | Value |\n",
    "| --- | --- |\n",
    "| Model | gpt-35-turbo-instruct |\n",
    "| Max tokens | 60 |\n",
    "| Temperature | 0 | \n",
    "| Top p | 1 | \n",
    "| Frequency penalty | 0.5 |\n",
    "| Presence penalty | 0.0 |\n",
    "\n",
    "## Prompt\n",
    "\n",
    "```text\n",
    "Decide whether a Tweet's sentiment is positive, neutral, or negative.\n",
    "\n",
    "Tweet: \"I loved the new Batman movie!\"\n",
    "Sentiment:\n",
    "```"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Install Azure OpenAI Service .NET SDK\n",
    "\n",
    "[Azure.AI.OpenAI NuGet package](https://www.nuget.org/packages/Azure.AI.OpenAI/)"
   ]
  },
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   "outputs": [
    {
     "data": {
      "text/html": [
       "<div><div></div><div></div><div><strong>Installed Packages</strong><ul><li><span>Azure.AI.OpenAI, 1.0.0-beta.15</span></li></ul></div></div>"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "#r \"nuget: Azure.AI.OpenAI, 1.0.0-beta.15\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
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   "source": [
    "using System;\n",
    "using Azure.AI.OpenAI;"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Configure Azure OpenAI client"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
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   "outputs": [],
   "source": [
    "var AOAI_ENDPOINT = Environment.GetEnvironmentVariable(\"AOAI_ENDPOINT\");\n",
    "var AOAI_KEY = Environment.GetEnvironmentVariable(\"AOAI_KEY\");\n",
    "var AOAI_DEPLOYMENTID = Environment.GetEnvironmentVariable(\"AOAI_DEPLOYMENTID\");"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
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   },
   "outputs": [],
   "source": [
    "var endpoint = new Uri(AOAI_ENDPOINT);\n",
    "var credentials = new Azure.AzureKeyCredential(AOAI_KEY);\n",
    "var openAIClient = new OpenAIClient(endpoint, credentials);"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Define prompt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
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   "outputs": [],
   "source": [
    "var prompt = \n",
    "    \"\"\"\n",
    "    Decide whether a Tweet's sentiment is positive, neutral, or negative.\n",
    "\n",
    "    Tweet: \"I loved the new Batman movie!\"\n",
    "    Sentiment:\n",
    "    \"\"\";"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Configure completion options"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
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   "outputs": [],
   "source": [
    "var completionOptions = new CompletionsOptions\n",
    "{\n",
    "    DeploymentName=AOAI_DEPLOYMENTID,\n",
    "    Prompts={prompt},\n",
    "    MaxTokens=60,\n",
    "    Temperature=0f,\n",
    "    FrequencyPenalty=0.5f,\n",
    "    PresencePenalty=0.0f,\n",
    "    NucleusSamplingFactor=1 // Top P\n",
    "};"
   ]
  },
  {
   "attachments": {},
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Generate completions"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
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    "dotnet_interactive": {
     "language": "csharp"
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   "outputs": [],
   "source": [
    "Completions response = await openAIClient.GetCompletionsAsync(completionOptions);"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {
    "dotnet_interactive": {
     "language": "csharp"
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   "outputs": [
    {
     "data": {
      "text/plain": [
       " Positive"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "response.Choices.First().Text"
   ]
  }
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