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[求助]
轉(zhuǎn)錄組數(shù)據(jù)分析中遇到的幾個(gè)問題
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最近在用公共轉(zhuǎn)錄組數(shù)據(jù)做分析,有幾個(gè)問題想請(qǐng)教下: for example: 1. geneid => Gene identifier as reported in the cDNA model fasta file used in alignment 2. score => Number of mapped reads to this gene per 1000bp 3. alternatives => Number of alternative mappings reported by aligner, normalized to total number of mappings GeneID RPK Alternative 271114 687.831 0.751648 134883 NA NA 85242 1.001 1 1. 怎么理解這個(gè) alternatives? 2. 基因 85242是否在轉(zhuǎn)錄水平有表達(dá),那個(gè)Alternative =1是否有特殊意義 |
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