> For the complete documentation index, see [llms.txt](https://help.multiomics.illumina.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.multiomics.illumina.com/icm/reference/list-of-analysis-tasks-by-data-type/methylation-array.md).

# Methylation Array

## Imported Array Data (idat files)

Analysis tasks that can be invoked from imported idat data is listed below.

| Task Menu Section  | Analysis Task Name                                                                                                                                                            |
| ------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Pre-analysis tools | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/pre-analysis-tools/generate-beta-value">Generate beta value</a></li></ul> |

## Beta Values Count Matrix

After signal intensities in the idat files are converted to beta values, analysis tasks listed below can be invoked.

| Task Menu Section    | Analysis Task Name                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| -------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Annotation/Metadata  | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/annotation-metadata/publish-cell-attributes-to-project">Publish attributes to study</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      |
| QA/QC                | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/qa-qc/feature-distribution">Feature distribution</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
| Pre-analysis tools   | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/annotation-metadata/annotate-cells-1">Annotate features</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/pre-analysis-tools/generate-methylation-mvalues">Generate methylation mvalues</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
| Filtering            | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/filtering/filter-groups-samples-or-cells">Filter samples</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/filtering/split-by-attribute">Split by attribute</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| Statistics           | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/detect-differential-methylation">Detect differential methylation</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/correlation-analysis">Descriptive statistics</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
| Exploratory analysis | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/graph-based-clustering">Graph-based clustering</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/k-means-clustering">K-means clustering</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/compare-clusters">Compare clusters</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/pca">PCA</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/t-sne">t-SNE</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/umap">UMAP</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/hierarchical-clustering">Hierarchical clustering / heatmap</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/data-viewer/chromosome-view">Chromosome view</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/svd">SVD</a></li></ul> |
| Conversion           | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/conversion">Export matrix</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |

## PCA

Analysis tasks that can be invoked from PCA data node are listed below.

| Task Menu Section    | Analysis Task Name                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Annotation/Metadata  | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/annotation-metadata/publish-cell-attributes-to-project">Publish attributes to study</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Batch removal        | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/batch-removal/general-linear-model">General linear model</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/batch-removal/harmony">Harmony</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Statistics           | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/differential-analysis">Differential analysis</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/correlation-analysis-1">Correlation</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/correlation-analysis">Descriptive statistics</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/compute-biomarkers">Compute biomarkers</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/survival-analysis-with-cox-regression-and-kaplan-meier-analysis#cox-regression">Cox Regression</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/survival-analysis-with-cox-regression-and-kaplan-meier-analysis#kaplan-meier-survival-curve">Kaplan-Meier</a></li></ul>                           |
| Exploratory analysis | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/graph-based-clustering">Graph-based clustering</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/k-means-clustering">K-means clustering</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/compare-clusters">Compare clusters</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/t-sne">t-SNE</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/umap">UMAP</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/find-multimodal-neighbors">Find multimodal neighbors</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/svd">SVD</a></li></ul> |
| Conversion           | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/conversion">Export matrix</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |

## Differential Analysis Result

Analysis tasks that can be invoked from differential analysis result (e.g., Detect differential methylation) are listed below.

| Task Menu Section         | Analysis Task Name                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| ------------------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| QA/QC                     | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/qa-qc/feature-distribution">Feature distribution</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                       |
| Filtering                 | <ul><li>Differential analysis filter</li></ul>                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Statistics                | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/statistics/correlation-analysis">Descriptive statistics</a></li></ul>                                                                                                                                                                                                                                                                                                                                                                                                |
| Exploratory analysis      | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/hierarchical-clustering">Hierarchical clustering / heatmap</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/data-viewer/chromosome-view">Chromosome view</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/exploratory-analysis/merge-differential-expression-results">Merge differential expression results</a></li></ul>                   |
| Biological interpretation | <ul><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/biological-interpretation/gene-set-enrichment">Gene set enrichment</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/biological-interpretation/correlation-engine-atlases">Correlation Engine atlases</a></li><li><a href="https://help.multiomics.illumina.com/icm/analyses/analysis-functionality/task-menu/biological-interpretation/correlation-engine-pathways">Correlation Engine pathways</a></li></ul> |


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