rm(list = ls())
library(Seurat)
library(qs)
library(reticulate)
library(hdf5r)
library(sceasy)
library(BiocParallel)
register(MulticoreParam(workers = 4, progressbar = TRUE))
scRNA <- qread("sc_dataset.qs")
scRNA
# An object of class Seurat
# 30269 features across 44651 samples within 2 assays
# Active assay: integrated (2000 features, 2000 variable features)
# 1 other assay present: RNA
# 3 dimensional reductions calculated: pca, umap, tsne
# 配置环境
conda create -n sceasy python=3.9
conda activate sceasy
conda install loompy
# 可选安装
conda install anndata
conda install scipy
# 在R语言中加载python环境
use_condaenv('sceasy')
loompy <- reticulate::import('loompy')
# Seurat to AnnData
sceasy::convertFormat(scRNA, from="seurat", to="anndata",
outFile='scRNA.h5ad')
# AnnData object with n_obs × n_vars = 44651 × 28269
# obs: 'orig.ident', 'nCount_RNA', 'nFeature_RNA', 'GSE_num', 'Gender', 'Age', 'subsite', 'hpv', 'percent.mt', 'percent.rp', 'percent.hb', 'RNA_snn_res.0.1', 'RNA_snn_res.0.2', 'RNA_snn_res.0.3', 'RNA_snn_res.0.4', 'RNA_snn_res.0.5', 'RNA_snn_res.0.6', 'RNA_snn_res.0.7', 'RNA_snn_res.0.8', 'RNA_snn_res.0.9', 'RNA_snn_res.1', 'RNA_snn_res.1.1', 'RNA_snn_res.1.2', 'RNA_snn_res.1.3', 'RNA_snn_res.1.4', 'RNA_snn_res.1.5', 'RNA_snn_res.1.6', 'RNA_snn_res.1.7', 'RNA_snn_res.1.8', 'RNA_snn_res.1.9', 'RNA_snn_res.2', 'seurat_clusters', 'celltype', 'integrated_snn_res.0.1', 'integrated_snn_res.0.2', 'integrated_snn_res.0.3', 'integrated_snn_res.0.4', 'integrated_snn_res.0.5', 'integrated_snn_res.0.6', 'integrated_snn_res.0.7', 'integrated_snn_res.0.8', 'integrated_snn_res.0.9', 'integrated_snn_res.1', 'integrated_snn_res.1.1', 'integrated_snn_res.1.2', 'integrated_snn_res.1.3', 'integrated_snn_res.1.4', 'integrated_snn_res.1.5', 'integrated_snn_res.1.6', 'integrated_snn_res.1.7', 'integrated_snn_res.1.8', 'integrated_snn_res.1.9', 'integrated_snn_res.2'
# var: 'name'
# obsm: 'X_pca', 'X_umap', 'X_tsne'
#Seurat to SingleCellExperiment
sceasy::convertFormat(scRNA, from="seurat", to="sce",
outFile='scRNA.rds')
# 加载库
import scanpy as sc
import os
# 确认路径
os.getcwd()
# 读取数据
adata = sc.read_h5ad('scRNA.h5ad')
adata
# AnnData object with n_obs × n_vars = 44651 × 28269
# obs: 'orig.ident', 'nCount_RNA', 'nFeature_RNA', 'GSE_num', 'Gender', 'Age', 'subsite', 'hpv', 'percent.mt', 'percent.rp', 'percent.hb', 'RNA_snn_res.0.1', 'RNA_snn_res.0.2', 'RNA_snn_res.0.3', 'RNA_snn_res.0.4', 'RNA_snn_res.0.5', 'RNA_snn_res.0.6', 'RNA_snn_res.0.7', 'RNA_snn_res.0.8', 'RNA_snn_res.0.9', 'RNA_snn_res.1', 'RNA_snn_res.1.1', 'RNA_snn_res.1.2', 'RNA_snn_res.1.3', 'RNA_snn_res.1.4', 'RNA_snn_res.1.5', 'RNA_snn_res.1.6', 'RNA_snn_res.1.7', 'RNA_snn_res.1.8', 'RNA_snn_res.1.9', 'RNA_snn_res.2', 'seurat_clusters', 'celltype', 'integrated_snn_res.0.1', 'integrated_snn_res.0.2', 'integrated_snn_res.0.3', 'integrated_snn_res.0.4', 'integrated_snn_res.0.5', 'integrated_snn_res.0.6', 'integrated_snn_res.0.7', 'integrated_snn_res.0.8', 'integrated_snn_res.0.9', 'integrated_snn_res.1', 'integrated_snn_res.1.1', 'integrated_snn_res.1.2', 'integrated_snn_res.1.3', 'integrated_snn_res.1.4', 'integrated_snn_res.1.5', 'integrated_snn_res.1.6', 'integrated_snn_res.1.7', 'integrated_snn_res.1.8', 'integrated_snn_res.1.9', 'integrated_snn_res.2'
# var: 'name'
# obsm: 'X_pca', 'X_tsne', 'X_umap'
rm(list = ls())
V5_path = "/Library/Frameworks/R.framework/Versions/4.4-arm64/Resources/seurat5/"
.libPaths(V5_path)
.libPaths()
library(Seurat)
library(qs)
library(reticulate)
library(hdf5r)
library(sceasy)
library(BiocParallel)
register(MulticoreParam(workers = 4, progressbar = TRUE))
scRNA_V5 <- readRDS("scRNA_tumor.rds")
scRNA_V5
# An object of class Seurat
# 20124 features across 5042 samples within 1 assay
# Active assay: RNA (20124 features, 2000 variable features)
# 3 layers present: counts, data, scale.data
# 3 dimensional reductions calculated: pca, harmony, umap
# 配置环境
conda create -n sceasy python=3.9
conda activate sceasy
conda install loompy
# 可选安装
conda install anndata
conda install scipy
# 在R语言中加载python环境
use_condaenv('sceasy')
loompy <- reticulate::import('loompy')
# Seurat to AnnData
scRNA_V5[["RNA"]] <- as(scRNA_V5[["RNA"]], "Assay")
sceasy::convertFormat(scRNA_V5, from="seurat", to="anndata",
outFile='scRNA_V5.h5ad')
# AnnData object with n_obs × n_vars = 5042 × 20124
# obs: 'nCount_RNA', 'nFeature_RNA', 'Sample', 'Cell.Barcode', 'Type', 'RNA_snn_res.0.1', 'RNA_snn_res.0.2', 'RNA_snn_res.0.3', 'RNA_snn_res.0.4', 'RNA_snn_res.0.5', 'RNA_snn_res.0.6', 'RNA_snn_res.0.7', 'RNA_snn_res.0.8', 'RNA_snn_res.0.9', 'RNA_snn_res.1', 'RNA_snn_res.1.1', 'RNA_snn_res.1.2', 'seurat_clusters', 'celltype', 'seurat_annotation'
# var: 'vf_vst_counts_mean', 'vf_vst_counts_variance', 'vf_vst_counts_variance.expected', 'vf_vst_counts_variance.standardized', 'vf_vst_counts_variable', 'vf_vst_counts_rank', 'var.features', 'var.features.rank'
# obsm: 'X_pca', 'X_harmony', 'X_umap'
# Warning message:
# In .regularise_df(obj@meta.data, drop_single_values = drop_single_values) :
# Dropping single category variables:orig.ident
先将 Seurat V5 对象中的 Assay5 类型转换为 Seurat 旧版本中的 Assay 类型,然后再进行转化
# 加载库
import scanpy as sc
import os
# 确认路径
os.getcwd()
# 读取数据
adata = sc.read_h5ad('scRNA.h5ad')
adata
# AnnData object with n_obs × n_vars = 5042 × 20124
# obs: 'nCount_RNA', 'nFeature_RNA', 'Sample', 'Cell.Barcode', 'Type', 'RNA_snn_res.0.1', 'RNA_snn_res.0.2', 'RNA_snn_res.0.3', 'RNA_snn_res.0.4', 'RNA_snn_res.0.5', 'RNA_snn_res.0.6', 'RNA_snn_res.0.7', 'RNA_snn_res.0.8', 'RNA_snn_res.0.9', 'RNA_snn_res.1', 'RNA_snn_res.1.1', 'RNA_snn_res.1.2', 'seurat_clusters', 'celltype', 'seurat_annotation'
# var: 'vf_vst_counts_mean', 'vf_vst_counts_variance', 'vf_vst_counts_variance.expected', 'vf_vst_counts_variance.standardized', 'vf_vst_counts_variable', 'vf_vst_counts_rank', 'var.features', 'var.features.rank'
# obsm: 'X_harmony', 'X_pca', 'X_umap'
rm(list = ls())
library(sceasy)
library(reticulate)
library(Seurat)
library(BiocParallel)
register(MulticoreParam(workers = 4, progressbar = TRUE))
# h5ad转为Seurat
sceasy::convertFormat(obj = "scRNA.h5ad",
from="anndata",to="seurat",
outFile = 'scRNA.rds')
# X -> counts
# An object of class Seurat
# 28269 features across 44651 samples within 1 assay
# Active assay: RNA (28269 features, 0 variable features)
# 2 layers present: counts, data
# 3 dimensional reductions calculated: pca, tsne, umap
这种方法得到的数据是SeruatV4版本的,所以如果要用于SeruatV5的话还需要再转化一下。
还有细胞数很多的话sceasy就不好用了,这个时候可以用dior包。
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原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
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原创声明:本文系作者授权腾讯云开发者社区发表,未经许可,不得转载。
如有侵权,请联系 cloudcommunity@tencent.com 删除。