Upload 2 files

app.py

@@ -0,0 +1,58 @@
+import streamlit as st
+import pandas as pd
+
+import seaborn as sns
+import matplotlib.pyplot as plt
+# Apply the default theme and activate color codes
+sns.set_theme()
+sns.set(color_codes=True)
+
+
+import streamlit as st
+import altair as alt
+import seaborn as sns
+import pandas as pd
+
+st.title("🐧 Palmer Penguins Explorer")
+
+# 载入数据
+penguins = sns.load_dataset("penguins")
+penguins_clean = penguins.dropna(subset=[
+    "bill_length_mm", "bill_depth_mm", "flipper_length_mm", "body_mass_g", "species"
+])
+
+# 侧边栏选择
+x_col = st.sidebar.selectbox("X 轴", ["bill_length_mm", "bill_depth_mm", "flipper_length_mm", "body_mass_g"])
+y_col = st.sidebar.selectbox("Y 轴", ["flipper_length_mm", "bill_length_mm", "bill_depth_mm", "body_mass_g"])
+size_col = st.sidebar.selectbox("点大小", ["body_mass_g", "flipper_length_mm", "bill_length_mm"])
+color_col = st.sidebar.selectbox("颜色分组", ["species", "island", "sex"])
+
+st.write(f"**X 轴**：`{x_col}`，**Y 轴**：`{y_col}`，**大小**：`{size_col}`，**颜色**：`{color_col}`")
+
+chart = (
+    alt.Chart(penguins_clean)
+    .mark_point(filled=True)
+    .encode(
+        alt.X(x_col, title=x_col.replace("_", " ").title()),
+        alt.Y(y_col, title=y_col.replace("_", " ").title()),
+        alt.Size(size_col, title=size_col.replace("_", " ").title(), scale=alt.Scale(range=[20, 300])),
+        alt.Color(color_col, title=color_col.replace("_", " ").title()),
+        alt.OpacityValue(0.7),
+        tooltip=[
+            alt.Tooltip("species", title="Species"),
+            alt.Tooltip("island", title="Island"),
+            alt.Tooltip("sex", title="Sex"),
+            alt.Tooltip("bill_length_mm", title="Bill Length (mm)"),
+            alt.Tooltip("bill_depth_mm", title="Bill Depth (mm)"),
+            alt.Tooltip("flipper_length_mm", title="Flipper Length (mm)"),
+            alt.Tooltip("body_mass_g", title="Body Mass (g)"),
+        ],
+    )
+    .properties(width=750, height=460, title="Palmer Penguins — Interactive Scatter")
+    .interactive()
+)
+
+st.altair_chart(chart, use_container_width=True)
+
+st.subheader("原始数据（清洗后）")
+st.dataframe(penguins_clean)

requirements.txt

@@ -0,0 +1,4 @@
+streamlit== 1.37.1
+pandas == 2.2.3
+seaborn == 0.13.2
+numpy == 1.26.4