log(100, 10)) # 结果 :2.0 print("返回已2为底x的对数:",math.log2(3)) # 结果 :1.584962500721156 print("返回以10为底x的对数:",math.log10(1000)) # 结果 :3.0 print("求和:",math.fsum([3,4,5])) # 结果 : 12 print("取余运算:",math.fmod(8, 3)) # 结果 : 2.0 print("向上...
计算log值,包括log2、log10、log,其中log的底数为自然底数e。 > log2(c(1, 2, 3, 4)) [1] 0.000000 1.000000 1.584963 2.000000 2.5 批量生成数值向量, rep和seq 将1个元素复制多次生成的向量 > rep(2, times = 3) [1]...
generateTestVariableSet <- function(num_toal_variable){ max_power <- ceiling(log10(num_toal_variable)) tmp_subset <- unique(unlist(sapply(1:max_power, function(x) (1:10)^x, simplify = F))) sort(tmp_subset[tmp_subset<num_toal_variable]) } 选择关键特征变量相关的数据 # withTentative=...
To find the equilibrium constant: a. one should take the log10 of the concentration of products over the concentration of reactants b. none of the answers is correct c. one should measure the concentr Write the equation for stroke volume (SV). ...
The formula bellow can be translated as: "the power P(dBm) in dBm is equal to 10 times the base 10 logarithm of the power P(mW) in milliwatts (mW) divided by 1 milliwatt (mW)": P(dBm) = 10 · log10(P(mW)/1mW) So, for P = 1 mW is equal to 0 dBm ...
The numbers indicate the sample size used in the analysis. h Log10 ratio of relative CG DMR switching frequency with which a region switches from one chromatin state (row) to another (column). Source Data underlying Figs. 4c−f, h are provided as a Source Data file. Full size image...
The formula bellow can be translated as: "the power P(dBm) in dBm is equal to 10 times the base 10 logarithm of the power P(mW) in milliwatts (mW) divided by 1 milliwatt (mW)": P(dBm) = 10 · log10(P(mW)/1mW) So, for P = 1 mW is equal to 0 dBm Example: Convert 10...
max_power <- ceiling(log10(num_toal_variable)) tmp_subset <- unique(unlist(sapply(1:max_power, function(x) (1:10)^x, simplify = F))) sort(tmp_subset[tmp_subset<num_toal_variable]) } 1. 2. 3. 4. 5. 选择关键特征变量相关的数据 ...
Directed P-values are defined as –log10 (P) times the direction of the effect. (E) A Venn diagram showing the overlap of detected genes, proteins, and phosphoproteins. (F) KEGG pathway enrichment of the correlation data. In (A), (B), (C), and (F), the red histograms indicate ...
xlfAccrint xlfCumprinc xlfImlog10 xlfQuotient xlfAccrintm xlfDec2bin xlfImlog2 xlfRandbetween xlfAmordegrc xlfDec2hex xlfImpower xlfReceived xlfAmorlinc xlfDec2oct xlfImproduct xlfRoundbahtdown xlfAveragea xlfDelta xlfImreal xlfRoundbahtup xlfAverageif xlfDisc xlfImsin xlfRtd xlfAverageifs xlfDollarde...