Update README.md

README.md

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 # TableLLM: Enabling Tabular Data Manipulation by LLMs in Real Office Usage Scenarios
 
-We introduce **T**able**LLM**-13b, a robust large language model (LLM) with 13 billion parameters, purpose-built for proficiently handling tabular data manipulation tasks, whether they are embedded within documents or spreadsheets, catering to real-world office scenarios.
+We introduce **T**able**LLM**-13b, a robust large language model (LLM) with 13 billion parameters, purpose-built for proficiently handling tabular data manipulation tasks, whether they are embedded within documents or spreadsheets, catering to real-world office scenarios.
+
+TLLM-13b is fine-tuned based on CodeLlama-Instruct-13b and generates either a code solution or a direct text answer to handle tabular data manipulation tasks based on different scenarios.
+Code generation is used for the insert, delete, update, query, and plot operations of tables.
+Text generation is used for the query operation of short tables.
+