[英]Error message when using Biomart hsapiens_gene_ensembl dataset. Anyone know how to solve?
這是我用來嘗試連接到 hsapiens 數據集的代碼:
> mart <- biomaRt::useMart(biomart = "ENSEMBL_MART_ENSEMBL",
+ dataset = "hsapiens_gene_ensembl",
+ host = "www.ensembl.org")
這是出現在控制台中的錯誤消息:
Error in useDataset(mart = mart, dataset = dataset, verbose = verbose) :
The given dataset:
hsapiens_gene_ensembl , is not valid.
Correct dataset names can be obtained with the listDatasets function.
我很困惑為什么我會收到這個錯誤,因為它說這個數據集是一個無效的數據集,但我檢查了它確實是有效的。
您需要使用host = "http://www.ensembl.org"
參數:
mart <- biomaRt::useMart(biomart = "ENSEMBL_MART_ENSEMBL",
dataset = "hsapiens_gene_ensembl",
host = "http://www.ensembl.org")
str(mart)
# Formal class 'Mart' [package "biomaRt"] with 8 slots
# ..@ biomart : chr "ENSEMBL_MART_ENSEMBL"
# ..@ host : chr "http://www.ensembl.org:80/biomart/martservice"
# ..@ vschema : chr "default"
# ..@ version : chr(0)
# ..@ dataset : chr "hsapiens_gene_ensembl"
# ...
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