找到约 15 条结果

文章 群落分析的冗余分析（RDA）概述

...转化，Legendre和Gallagher（2001）提出的基于转化的RDA（Transformation-based redundancy analysis，tb-RDA）用于解决这个问题。tb-RDA在分析前首先对原始数据做一定的转化（例如Hellinger预转化包含很多零值的群落物种数据），并使用转化后的...

文章 胃癌预后signature数据挖掘-自噬基因

...风险组，风险预测模型具有很好的预后价值：The risk score for OS = (0.1504 × expression value of DYNLL1) +(0.1673 × expression value of PLOD2) + (0.0944 × expression value of PHYHIP) + (0.1141 × expression value of HPR) + (0.0727 × expression value of PGK2) + (0.0103 × express...

文章 最新研究：爱笑的人，论文质量一般不会太差......

...,Maciej Behnke,Todd B. Kashdan,Aleksandra Kusiak,Katarzyna Marzec,Martyna Mistrzak,Magdalena Włodarczyk. Smile intensity in social networking profile photographs is related to greater scientific achievements[J]. The Journal of Positive Psychology,2018,13(5). 生物女学霸，一个自称学霸其...

文章 geo_gene_exp_download.r GEO数据自动下载与整理

...ame from RColorbrewer [default Accent]  -G gpl, --gpl gpl     GPL file for annotation [default None]  -s Gene Symbol, --symbol Gene Symbol                        Gene Symbol column name [default Gene Symbol]  -x, --no.xaxis        not show x axis sample name [default False]  -...

文章 univariate_cox_batch.r 基因表达量批量单因素cox回归分析

...         2]  --log2                whether do log2 transfrom for expression data                        [optional, default: False]  -o outdir, --outdir outdir                        output file directory [default cwd]  -p prefix, --prefix prefix          ...

文章 TCGA数据库中癌症最新缩写中英文对照表获取方法 Project号 与癌种之间对应关系

...GA-ESCA Esophageal carcinoma  食道癌 TCGA-GBM Glioblastoma multiforme 胶质母细胞瘤 TCGA-HNSC Head and Neck squamous cell carcinoma 头颈部鳞状细胞癌 TCGA-KICH Kidney Chromophobe 肾染色体 TCGA-KIRC Kidney renal clear cell carcinoma 肾脏肾透明细胞癌...

文章 Metadata CRC error detected at xfs _ bmbt _ read _ verify+0x12/0xb0 [xfs], xfs _ bmbt block 0xc9132f8 [ 4.863216] XFS(dm-0): Unmount and run xfs _ repair

...1. e19_4.x86 _64) 9.4(Blue Onyx)' [ 4.862768] XFS (dm-0): Metadata CRC error detected at xfs _ bmbt _ read _ verify+0x12/0xb0 [xfs], xfs _ bmbt block 0xc9132f8 [ 4.863216] XFS(dm-0): Unmount and run xfs _ repair [ 4.863257] XFS(dm-0): First 128 bytes of corrupted metadata buffer: [ 4.863311] 000...

文章 GWAS cFDR 多效基因分析

...]        #p2 = p2[p2!=0]                dat = NULL        for(cutoff in c(1,0.1,0.01,0.001,0.0001)){                p = p1[p2<=cutoff]                x = -log10(seq(from = 0,to = 1,length.out = length(p)+1))[-1]                print(max(x))          ...

文章 核苷酸替换模型-GTR是所有模型中考虑参数最多最复杂的模型，其他所有模型是GTR模型的特例

...ted models encompasses 64 models with different combinations of parameters for DNA site substitution. The models are listed here from the least complex to the most parameter rich. Jukes-Cantor (JC, nst=1): equal base frequencies, all substitutions equally likely (PAUP* rate classification: aaaaaa, ...

文章 PASA 记录

...ean -I 1000000 -N 1 --CPU 244. PASApipeline/PASApipeline-v2.5.2/scripts/import_spliced_alignments.dbi -M 'pasa.sqlite'  -A blat -g blat.spliced_alignments.gff35. PASApipeline/PASApipeline-v2.5.2/scripts/import_spliced_alignments.dbi -M 'pasa.sqlite'  -A minimap2 -g minimap2.spliced_alignments.gff3...

文章 R语言宽型与长型数据转换tidyr包

...- mean(data$num, na.rm = TRUE) > type_mode <- as.character(data$type[which.max(table(data$type))]) > data <- replace_na(data = data, replace = list(num = num_mean, + type = type_mode)) > data # A tibble: 8 × 2 type num <chr> <dbl> 1 a 75.00000 2 b 72...

问题 rnaseq分析中片段inner size出现问题

片段inner size，片段选择是否异常 输入命令后：for i in DL125NS1 DL125NS2 DL125NS3 DL125PS1 DL125PS2 DL125PS3; do echo "RUN CMD: inner_distance.py -i $workdir/3.map/hisat2/${i}.bam  -r $GENE_BED  -o ${i}_inner_size" inner_distance.py -i $workdir/3.map/hisat2/${i}.bam  -r $GENE...

文章 快速解读：3-5分的蛋白质组学文章思路

iTRAQ (Isobaric tag for relative and absolute quantitation，iTRAQ）和TMT（Tandem Mass Tag）是近年来应用最广泛的差异蛋白质组学技术，它们均采用体外标记的方法，利用同位素试剂标记蛋白质酶解后产生的多肽，对两个或多个样本，在全蛋白质...

文章 生存分析的Cox回归模型(比例风险模型)R语言实现及结果解读

...us) ~ sex, data =  lung)summary(res.cox) summary的结果： Call:coxph(formula = Surv(time, status) ~ sex, data = lung)  n= 228, number of events= 165        coef exp(coef) se(coef)      z Pr(>|z|)   sex -0.5310    0.5880   0.1672 -3.176  0.00149 **---Signif. codes:  0 ‘***...

文章 论文被拒稿11次，还有必要再投吗？

...： 一、主题原因(Subject)： 1)内容不适合期刊(Not suitable for journal) 2)不适时(Not timely) 二、论文内容(Coverage)： 1)意义不大(Questionable significance) 2)不可信(Questionable validity) 3)深度不够(Too shallow) 4)过于详尽(Too exhaustive) 被拒3次以...