随笔分类 - 统计软件 / Statistical softwares
摘要:
速成,用着用着就都会了。
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摘要:译自官网课程: Introduction to Neo4j Graph Data Science | Free Neo4j Courses from GraphAcademy 官网文档: The Neo4j Graph Data Science Library Manual v2.1 - Neo4j
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摘要:mydf <- data.frame(a = 1:5, b = 6:10, c = 11:15) mydf # a b c # 1 1 6 11 # 2 2 7 12 # 3 3 8 13 # 4 4 9 14 # 5 5 10 15 删除变量"c": mydf['c'] <- NULL mydf
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摘要:?plotmath 1 Basic operators | Syntax | Meaning | | | | | %*% | × | | %/% | ÷ | | %+-% | ± | | x%%y | x⋅y | | sqrt(x) | $\sqrt{
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摘要:1 Something about print | syntax | explanation | | : | : | | print(str1, str2, sep = "") | print strings separately | | print(str1 + str2) | print str
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摘要:1 Basic 一个Shiny App在一个app.R里面,然后这个script在一个路径下(例:newdir/),运行这个app使用runApp("newdir/")。参数有display.mode = "showcase" Shiny App由三部分组成,ui、server和shinyApp:
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