These R the Voyages

 

From valley to valley, from foothill to foothill

cycling
Captain’s Log, stardate 101035.8, or Earth date June 9, 2023.
Sep 30, 2023
Lambda Moses

SoCal Green Fondo

cycling
Captain’s Log, stardate 100791.39, or Earth date March 12, 2023.
Sep 4, 2023
Lambda Moses

 

I miss Miss Lambda

rant
Or rather, why I don’t want you to call me “Dr. Lambda Moses”. Yeah, it sounds a bit weird, but I’ll explain.
Jul 21, 2023
Lambda Moses

South LA is NOT for sale

cycling
Captain’s log, stardate 100981.08, or Earth date May 20, 2023: it’s been a while. Because I haven’t been to many voyages in the weeks when I wrote my thesis, I’m kind of out…
May 21, 2023
Lambda Moses

ActiveSGV Puente Hill ride and hike

cycling
Captain’s Log, stardate 100770.18, or Earth date March 4, 2023. I didn’t finish writing this until May because I’ve been busy writing the s…
May 12, 2023
Lambda Moses

Voyager 1.2.0

R
spatial-omics
Space, the current frontier. These are the voyages of starship Voyager. This is the second release of R package Voyager wi…
Apr 26, 2023
Lambda Moses

A faster implementation of MULTISPATI PCA

R
spatial-omics
Last time, I used the implementation of MULTISPATI PCA in adespatial on the mouse skeletal muscle Visium dataset. The dataset is small by scRNA-seq standards, with only 900 something spots. It too about half a minute to run MULTISPATI PCA…
Mar 25, 2023
Lambda Moses

A cross section of mouse muscle is slightly off center to the lower left. In the middle of the tissue is the notexin injury site with leukocyte infiltration and fewer myofibers. The rest of the tissue section is tightly packed with myofibers.

Spatially informed PCA

R
spatial-omics
Due to the large number of genes quantified in single cell and spatial transcriptomics, dimension reduction is part of the standard workflow to analyze such data, to…
Mar 17, 2023
Lambda Moses

Total UMI counts of Visium spots are higher in the interiors of the olfactory bulbs than the periphery

Do Seurat and Scanpy give consistent PCA results?

R
spatial-omics
Seurat is the standard package to analyze single cell and spatial -omics data in R, and Scanpy is the standard in Python. There has long been the R vs. Python debate in data…
Mar 5, 2023
Lambda Moses

Palm trees, snowy peaks, and Sepulveda mud

cycling
Captain’s Log, stardate 100753.94, Earth date February 26, 2023, though it took me weeks to finish writing it.
Feb 26, 2023
Lambda Moses

Where the big jet engines roar

cycling
Captain’s Log, stardate 100732.45, or Earth date February 18, 2023.
Feb 21, 2023
Lambda Moses

East Side Riders

cycling
Hate has caused a lot of problems in the world, but has not solved one yet. –Maya Angelou
Feb 20, 2023
Lambda Moses

Watercolor sky

cycling
Captain’s Log, stardate 100721.41. Hello world Captain’s Log v2!
Feb 14, 2023
Lambda Moses
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