Result Information
Result ID
50
Type
Ordination
Status
completed
Dataset ID
698
Created
2026-09-21 02:14:27.741981
Ordination Result – PCA Help
Method
PCA
Components
3
Rows ordinated
66 (284 rows dropped for missing values)
Feature columns
ENV_SOILOC, ENV_SOILTC, ENV_SOILTN, ENV_PH, ENV_SOILCLAY, ENV_SOILSILT, ENV_SOILSAND, ENV_SOILMOIS, ENV_SOILP, PC_SHOOTMASS, PC_LITTERMASS, COVER_TOTAL_JUL, COVER_RICHNESS_JUL, PASTURE_TOTALAREA, LAT, LONG, ENV_SOILNH4, ENV_SOILNO3, SOIL_EC_uS_cm, SOIL_CO2_mg_per_g
Warnings
Excluded identifier-like numeric column(s): PLOT. These look like bookkeeping fields rather than measurements. Select feature columns explicitly if you intended to include them.
Explained variance Help
AxisFractionCumulative
Axis 1 0.5412 0.5412
Axis 2 0.1178 0.6590
Axis 3 0.0904 0.7494
Ordination scatter Help
Figures
Ordination scores (axes 1–2) Download PNG
Ordination scores (axes 1–2)
Scree plot Download PNG
Scree plot
Top feature loadings Download PNG
Top feature loadings
Pathway Analysis (same dataset) Help

Method & Provenance

Method
Ordination — PCA
Method key
pca (result type: ordination, result #50)
Engine
Python · scikit-learn v1.8.0
Dataset(s)
#698 gallery — catg_example_03_soil_nitrogen_availability.csv
Status
completed
Permanent link
https://cat-g-omxpert.wishartlab.com/results/by-token/aa8e993ca24f4dfb9083d77a2739eb34 Bookmark or share this URL — it does not depend on your session.
Created
2026-09-21 02:14:27.741981

Parameters used

ParameterValue
ordination_method pca
method pca
feature_cols ENV_SOILOC, ENV_SOILTC, ENV_SOILTN, ENV_PH, ENV_SOILCLAY, ENV_SOILSILT, ENV_SOILSAND, ENV_SOILMOIS, ENV_SOILP, PC_SHOOTMASS, PC_LITTERMASS, COVER_TOTAL_JUL, COVER_RICHNESS_JUL, PASTURE_TOTALAREA, LAT, LONG, ENV_SOILNH4, ENV_SOILNO3, SOIL_EC_uS_cm, SOIL_CO2_mg_per_g
n_components 3

Execution trace

Reconstructed from the parameters stored with this result — represents the Python/R calls the analysis service made.

from sklearn.decomposition import PCA
from sklearn.preprocessing import StandardScaler
X_scaled = StandardScaler().fit_transform(X)
coords = PCA(n_components=3).fit_transform(X_scaled)