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Setup

First, you will need to install the kay package. You will also need an API key: you can get one for free at https://kay.ai. Once you have an API key, you must set it as an environment variable KAY_API_KEY. In this example, we’re going to use the KayAiRetriever. Take a look at the kay notebook for more detailed information for the parameters that it accepts.` 
# Setup API keys for Kay and OpenAI
from getpass import getpass

KAY_API_KEY = getpass()
OPENAI_API_KEY = getpass()

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import os

os.environ["KAY_API_KEY"] = KAY_API_KEY
os.environ["OPENAI_API_KEY"] = OPENAI_API_KEY

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Example

from langchain.chains import ConversationalRetrievalChain
from langchain_community.retrievers import KayAiRetriever
from langchain_openai import ChatOpenAI

model = ChatOpenAI(model="gpt-3.5-turbo")
retriever = KayAiRetriever.create(
    dataset_id="company", data_types=["10-K", "10-Q"], num_contexts=6
)
qa = ConversationalRetrievalChain.from_llm(model, retriever=retriever)

questions = [
    "What are patterns in Nvidia's spend over the past three quarters?",
    # "What are some recent challenges faced by the renewable energy sector?",
]
chat_history = []

for question in questions:
    result = qa({"question": question, "chat_history": chat_history})
    chat_history.append((question, result["answer"]))
    print(f"-> **Question**: {question} \n")
    print(f"**Answer**: {result['answer']} \n")

-> **Question**: What are patterns in Nvidia's spend over the past three quarters? 

**Answer**: Based on the provided information, here are the patterns in NVIDIA's spend over the past three quarters:

1. Research and Development Expenses:
   - Q3 2022: Increased by 34% compared to Q3 2021.
   - Q1 2023: Increased by 40% compared to Q1 2022.
   - Q2 2022: Increased by 25% compared to Q2 2021.
   
   Overall, research and development expenses have been consistently increasing over the past three quarters.

2. Sales, General and Administrative Expenses:
   - Q3 2022: Increased by 8% compared to Q3 2021.
   - Q1 2023: Increased by 14% compared to Q1 2022.
   - Q2 2022: Decreased by 16% compared to Q2 2021.
   
   The pattern for sales, general and administrative expenses is not as consistent, with some quarters showing an increase and others showing a decrease.

3. Total Operating Expenses:
   - Q3 2022: Increased by 25% compared to Q3 2021.
   - Q1 2023: Increased by 113% compared to Q1 2022.
   - Q2 2022: Increased by 9% compared to Q2 2021.
   
   Total operating expenses have generally been increasing over the past three quarters, with a significant increase in Q1 2023.

Overall, the pattern indicates a consistent increase in research and development expenses and total operating expenses, while sales, general and administrative expenses show some fluctuations.