Dar zhaot4

StudentNotebooks/Assignment01/zhaot4-f24-assignment1.Rmd

@@ -354,7 +354,21 @@ What do the  clustering and  PCA results  tell us about the data detected by the
 The clustering and PCA results from the M20 PIXL experiment data reveal a heterogeneous composition in the Martian surface samples, indicating diverse geological processes and materials. The three distinct clusters point to different rock or soil types, suggesting a complex geological history involving various environmental conditions and processes.
 
 ```{r}
-
+library(ggplot2)
+library(factoextra)
+library(dplyr)
+summary(pixl_trim.mat.pca)
+loadings <- pixl_trim.mat.pca$rotation
+print("PCA Loadings:")
+print(loadings)
+data <- as.factor(km$cluster)
+fviz_pca_biplot(pixl_trim.mat.pca,
+geom.ind = "point",
+col.ind = data, # Color by clusters
+palette = "jco",
+addEllipses = FALSE,
+label = "var",
+title = "PCA Biplot of Martian Geochemical Data")
 ```
 
 ## SAVE, COMMIT and PUSH YOUR CHANGES!