在R中数据的分类是用因子数据类型（factor）来表示的。那么什么是因子呢？因子被用来表示类别数据，因此...
If we apply the str function again, we can see the change: str(data3)# Check class of all columns# 'data.frame': 5 obs. of 4 variables:# $ x1: int 1 2 3 4 5# $ x2: Factor w/ 5 levels "a","b","c","d",..: 1 2 3 4 5# $ x3: num 4 1 5 3 1# $ x4: Fac...
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The functionfactor()will encode(编译) the vector as a factor: factor_gender_vector <- factor(gender_vector) 要求: Convert(转变) the character vectorgender_vectorto a factor withfactor()and assign the result tofactor_gender_vector Print outfactor_gender_vectorand assert that R prints out the ...
翻译成中文是差异倍数(fold change),也叫作radio,简单来说就是基因在一组样品中的表达值的均值除以其在另一组样品中的表达值的均值。如果规定FC>2为上调,那么FC<1/2为下调。 什么是Pvalue? 统计检验获得的是否统计差异显著的一个衡量值,约定成俗的P-value<0.05为统计检验显著的常规标准。
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changepoint 2.2.4 checkmate 2.3.2 checkpoint 1.0.2 chk 0.9.2 choroplethrMaps 1.0.1 chron 2.3-61 circlize 0.4.16 Ckmeans.1d.dp 4.3.5 class 7.3-22 classInt 0.4-10 cli 3.6.3 ClickClust 1.1.6 clickstream 1.3.3 clipr 0.8.0 clock 0.7.1 clue 0.3-65 cluster 2.1.6 clv 0.3-2.4 cmprsk...
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