Instructor Notes

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Spatially Resolved Transcriptomics in Life Sciences Research


Data and Study Design


Data Preprocessing


Instructor Note

If the data does not load in correctly, verify that the students used the mode = “wb” argument in download.file() during the Setup. We have found that Windows users have to use this.



Remove Low-quality Spots


Instructor Note

You don’t have to have the students type out the next block. It may be better to let them focus on the concept rather than typing.



Instructor Note

There is no need to have students type out the figure titles and axis labels.



Instructor Note

There is no need to have students type out the figure titles and axis labels.



Normalization in Spatial Transcriptomics


Instructor Note

Don’t have the students type this. Show the plots and discuss them.



Feature Selection, Dimensionality Reduction, and Spot Clustering


Deconvolution in Spatial Transcriptomics


Differential Expression Testing


Putting it all Together


Instructor Note

In the next Challenge, you can assign a certain number of principal components and cluster resolution to each student or group of students and compare the clustering results.