<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class="">Hi All,<div class="">I struggling to connect to ENSEMBL 93 using R biomaRt package. </div><div class="">listData set returns 68 datasets instead of 98 listed the example page and “<b class="">hsapiens_gene_ensembl</b>” is not included in the list. </div><div class=""><br class=""></div><div class=""><br class=""></div><div class=""><div class="">> library("biomaRt")</div><div class="">> listMarts()</div><div class=""><br class=""></div><div class="">================</div><div class=""><br class=""></div><div class="">$ biomart version</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>1 ENSEMBL_MART_ENSEMBL Ensembl Genes 93</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>2 ENSEMBL_MART_MOUSE Mouse strains 93</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>3 ENSEMBL_MART_SNP Ensembl Variation 93</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>4 ENSEMBL_MART_FUNCGEN Ensembl Regulation 93</div><div class=""><br class=""></div><div class="">> ensembl=useMart("ensembl")</div><div class="">> dim(listDatasets(ensembl))</div><div class=""><br class=""></div><div class="">> dim(listDatasets(ensembl))</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>[1] <b class="">68</b> 3</div><div class=""> <span class="Apple-tab-span" style="white-space:pre"> </span></div></div><div class=""><br class=""></div><div class=""><div class="">> ensembl = useMart("ensembl",dataset="hsapiens_gene_ensembl")</div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">And when I try to connect using the dataset name I get the following error. </div><div class=""><br class=""></div><div class="">$ <b class="">Error in checkDataset(dataset = dataset, mart = mart) : </b></div><div class=""><b class=""> The given dataset: hsapiens_gene_ensembl , is not valid. Correct dataset names can be obtained with the listDatasets() function.</b></div></div><div class=""><br class=""></div><div class=""> </div><div class="">Thanks in advance for help and suggestions. </div><div class=""><br class=""></div><div class="">Mamun</div></body></html>