sample id: YRef7-32 fish: Pseudolaubuca engraulis fish size:12.80mm SL object description: probably another species of Trematoda....
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YRef8-23,fluke
sample id: YRef 8-23 fish: Pseudolaubuca engraulis fish size:17.25mm SL object description: trematoda, commonly seen in Aug. samples, parasitize inside or outside guts of larval fishes....
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YRef8-22, unidentified target
sample id: YRef 8-22 fish: Pseudolaubuca engraulis fish size: 10.2mm SL object description: size c.a. 1mm, with a membrane with snakeskin grain, cannot figure out whether it’s artificial or part of an organism....
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使用管道操作符%>>%简化R指令行
在分析数据的时候，中间的步骤会在得到最终结果前制造一大堆可能并没有更多用途的变量，管道操作符%>>%可以极大地简化指令。 比如多元分析中一个常用的聚类，就需要以下步骤： library(vegan) my_dist<-vegdist(dat,"bray") my_clust<-hclust(my_dist,"ward.D") plot(as.dendrogram(my_clust),horiz=T)...
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