add eda prompt

metagpt/prompts/tool_types.py

@@ -1,3 +1,10 @@
+# Prompt for using tools of "eda" type
+EDA_PROMPT = """
+The current task is about exploratory data analysis, please note the following:
+- Distinguish column types with `select_dtypes` for tailored analysis and visualization, such as correlation.
+- Remember to `import numpy as np` before using Numpy functions.
+"""
+
 # Prompt for using tools of "data_preprocess" type
 DATA_PREPROCESS_PROMPT = """
 The current task is about data preprocessing, please note the following:

metagpt/tools/tool_type.py

@@ -1,6 +1,7 @@
 from enum import Enum
 
 from metagpt.prompts.tool_types import (
+    EDA_PROMPT,
     DATA_PREPROCESS_PROMPT,
     FEATURE_ENGINEERING_PROMPT,
     IMAGE2WEBPAGE_PROMPT,
@@ -11,7 +12,11 @@ from metagpt.tools.tool_data_type import ToolTypeDef
 
 
 class ToolType(Enum):
-    EDA = ToolTypeDef(name="eda", desc="For performing exploratory data analysis")
+    EDA = ToolTypeDef(
+        name="eda",
+        desc="For performing exploratory data analysis",
+        usage_prompt=EDA_PROMPT,
+    )
     DATA_PREPROCESS = ToolTypeDef(
         name="data_preprocess",
         desc="Only for changing value inplace.",