PCA & Heatmap Analysis Tool
@ Xinwei Feng
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1. Upload Data (CSV / XLSX)
Load Data
2. Data Preview
Gray left:
Variable (Compound)
Gray top:
Sample
Blue:
Used in PCA
Gray tags:
Excluded (non-numeric)
🔄 Transpose Data
Delete Selected Rows
✅ Confirm & Clean
3. Preprocessing
Mean Centering
Z-score Standardization
4. PCA Settings
Dimensions:
2D
3D
Plot Type:
Score Plot
Loading Plot
Biplot
Scree Plot
Show Sample Names
Show Variable Names
Top Variables:
1
2
3
4
5
6
7
8
9
10
All
▶ Run PCA
📥 Export Plot
5. PCA Result
7. Heatmap with Clustering
Color Theme:
RdBu (Red-Blue)
Viridis (Bright)
Picnic (High Contrast)
Jet (Rainbow)
Earth (Nature)
Cluster Samples
Width Scale:
1.00
▶ Run Heatmap
📤 Export Heatmap