单细胞在Metadata中添加new column

Quickly preview the metadata

head(x = pbmc_small[[]])
orig.ident nCount_RNA nFeature_RNA RNA_snn_res.0.8
ATGCCAGAACGACT SeuratProject 70 47 0
CATGGCCTGTGCAT SeuratProject 85 52 0
GAACCTGATGAACC SeuratProject 87 50 1
TGACTGGATTCTCA SeuratProject 127 56 0
AGTCAGACTGCACA SeuratProject 173 53 0
TCTGATACACGTGT SeuratProject 70 48 0
letter.idents groups RNA_snn_res.1
ATGCCAGAACGACT A g2 0
CATGGCCTGTGCAT A g1 0
GAACCTGATGAACC B g2 0
TGACTGGATTCTCA A g2 0
AGTCAGACTGCACA A g2 0
TCTGATACACGTGT A g1 0

Create a new metadata column called "original" with the contents of "orig.ident"

pbmc_smalloriginal <- pbmc_smallorig.ident

Remove the "orig.ident" metadata column

pbmc_small$orig.ident <- NULL

Quickly preview the metadata again

head(x = pbmc_small[[]])
nCount_RNA nFeature_RNA RNA_snn_res.0.8 letter.idents groups
ATGCCAGAACGACT 70 47 0 A g2
CATGGCCTGTGCAT 85 52 0 A g1
GAACCTGATGAACC 87 50 1 B g2
TGACTGGATTCTCA 127 56 0 A g2
AGTCAGACTGCACA 173 53 0 A g2
TCTGATACACGTGT 70 48 0 A g1
RNA_snn_res.1 original
ATGCCAGAACGACT 0 SeuratProject
CATGGCCTGTGCAT 0 SeuratProject
GAACCTGATGAACC 0 SeuratProject
TGACTGGATTCTCA 0 SeuratProject
AGTCAGACTGCACA 0 SeuratProject
TCTGATACACGTGT 0 SeuratProject

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