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Given any positive integer N, you are supposed to find all of its prime factors, and write them in the format N = p1k1×p2k2×⋯×pm 阅读全文
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1.CreateSeuratObject 转自：https://cloud.tencent.com/developer/article/1055892 # Initialize the Seurat object with the raw (non-normalized data). Keep al 阅读全文
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转自：https://yoyoyohamapi.gitbooks.io/mit-ml/content/%E7%89%B9%E5%BE%81%E9%99%8D%E7%BB%B4/articles/PCA.html https://www.jianshu.com/p/162bb4ea1b7f 1.有什么 阅读全文
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"Let's C" is a popular and fun programming contest hosted by the College of Computer Science and Technology, Zhejiang University. Since the idea of th 阅读全文
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The Japanese language is notorious for its sentence ending particles. Personal preference of such particles can be considered as a reflection of the s 阅读全文
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1.R中NA,NaN,Inf代表什么？ NA：缺失数据 NaN：无意义的数，比如sqrt(-2) Inf：正无穷大 -Inf:负无穷大 判断是否存在nan值 is.na(x)#是否存在nan anyNA(x) sum(is.na(x))#存在几个nan值 2.确定一个数值型vector的第一个最值（ 阅读全文
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This time you are asked to tell the difference between the lowest grade of all the male students and the highest grade of all the female students. Inp 阅读全文
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A linked list consists of a series of structures, which are not necessarily adjacent in memory. We assume that each structure contains an integer key 阅读全文
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The task of this problem is simple: insert a sequence of distinct positive integers into a hash table first. Then try to find another sequence of inte 阅读全文
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在Rstdio使用的是3.5.1的64位R版本中遇到问题：The Perl script 'WriteXLS.pl' failed to run successfully. 首先使用 Sys.which("perl") 输出空串，表明未安装perl。 perl "" 安装上perl之后，运行又出现了 阅读全文