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Copy file name to clipboardExpand all lines: vignettes/Introduction.Rmd
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title: "Introduction to Spatial omic analyses"
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author:
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- Stefano Mangiola, South Australian immunoGENomics Cancer Institute^[<mangiola.stefano@adelaide.edu.au>], Walter and Eliza Hall Institute^[<mangiola.s at wehi.edu.au>]
Copy file name to clipboardExpand all lines: vignettes/Session_1_sequencing_assays.Rmd
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author:
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- Stefano Mangiola, South Australian immunoGENomics Cancer Institute^[<mangiola.stefano@adelaide.edu.au>], Walter and Eliza Hall Institute^[<mangiola.s at wehi.edu.au>]
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The sheer density of the DNB pattern—over 25 000 spots per 100 µm² in the highest-resolution formats—means that STOmics can detect transcripts at nearly subcellular scale, revealing fine-grained differences in gene activity within single cells or across tiny tissue niches. At the same time, chip formats up to 174 cm² in area allow researchers to profile entire organs or large tissue biopsies in one run, without stitching together multiple fields of view. In practice, developmental biologists have used this platform to survey gene expression across whole zebrafish embryos, while tumour biologists have mapped the spatial organisation of immune infiltrates in large cancer resections. By marrying nanometre-scale resolution with slide-wide coverage, BGI’s STOmics empowers scientists to explore biological landscapes from the level of subcellular compartments all the way up to entire tissue architectures.
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Once the dimensional reduction is complete, we cluster the spots across all samples and use `connectClusters` to visually compare these new BANKSY clusters against manual annotations.
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```{r, eval=FALSE, message=FALSE, warning=FALSE}
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```{r, eval=TRUE, message=FALSE, warning=FALSE}
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spe_joint <- clusterBanksy( # clustering on the principal components computed on the BANKSY matrix
We calculate the ARI for each sample to assess the consistency and accuracy of our clustering across different samples.
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```{r, eval=FALSE}
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```{r, eval=TRUE}
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ari <- sapply(spatial_data_list, function(x) as.numeric(tail(compareClusters(x, func = "ARI")[, 1], n = 1)))
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```
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When using **knitr** (including vignettes), only the **last** ggplot produced in a code chunk is written out by default. If you need several figures from the same narrative block, split them into separate chunks below or wrap each ggplot in `print()`.
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