guides(x = axis, y = axis) + theme(axis.line =element_line(arrow = arrow(type = "closed")), axis.title =element_text(hjust = 0, face = "italic")) 截断轴示例图 为umap/tsne 图增加(非凹)圆圈 基础版。 # devtools::install_github("sajuukLyu/ggunchull", type = "source") library...
三ggplot2-umap-调整 3.1 调整umap图 - theme 主题的调整比较简单,去掉网格线,坐标轴和背景色即可 代码语言:javascript 复制 p2<-p+theme(panel.grid.major=element_blank(),#主网格线 panel.grid.minor=element_blank(),#次网格线 panel.border=element_blank(),#边框 axis.title=element_blank(),#轴标题 ...
(pbmc, reduction = "umap", label = FALSE, pt.size = 1.2) + theme_dr(xlength = 0.2, ylength = 0.2, arrow = arrow(length = unit(0.2, "inches"),type = "closed")) + theme(panel.grid = element_blank(), axis.title = element_text(face = 2,hjust = 0.03)) + NoLegend() + ...
label=T,pt.size=1,cols=pal)+NoLegend()+labs(x="UMAP1",y="UMAP2",title="Celltype")+theme(panel.border=element_rect(fill=NA,color="black",size=1,linetype="solid"),axis.text.y=element_blank(),axis.ticks.y=element_blank(),axis.text.x=element_blank(),axis.ticks.x...
3.1 调整umap图 - theme 主题的调整比较简单,去掉网格线,坐标轴和背景色即可 更多theme的设置详见ggplot2|theme主题设置,详解绘图优 化-“精雕细琢” 3.2 调整umap图 - legend legeng部分去掉legend.title后,调整标签大小,标签点的大小以及标签之间的距离 更多legend设置详见ggplot2 |legend参数设置,图形精雕细琢3.3...
theme(axis.text.x=element_text(angle=45,hjust =1)) print(p2) p3 <- FeaturePlot(object = tmp_sce, features = T_genes,raster=F) print(p3) p4 <- FeaturePlot(object = tmp_sce, features = B_genes,raster=F) print(p4) dev.off() ...
umap.plot.points(manifold,labels=y,theme="fire") 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 02 和IsolationForest一起做异常检测 fromsklearn.ensembleimportIsolationForest pipe=make_pipeline(SimpleImputer(),QuantileTransformer(),umap.UMAP(n_components=5)) ...
X, y = load_digits(return_X_y=True) pipe = make_pipeline(SimpleImputer(), QuantileTransformer()) X_processed = pipe.fit_transform(X) manifold = umap.UMAP().fit(X_processed, y) umap.plot.points(manifold, labels=y, theme="fire")...
umap+geom_mark_hull(aes(label=RNA_snn_res.2,fill=RNA_snn_res.0.4),show.legend=FALSE)+theme_void() 如果有需要特别化为一类的可以用背景色来圈住: umap+geom_mark_hull(aes(label=RNA_snn_res.2,fill=RNA_snn_res.2),show.legend=FALSE,expand=unit(3,"mm"))+theme_void() ...
mytheme<- theme_void +#空白主题,便于我们后期添加tSNE箭头 theme(plot.margin = margin(5.5,15,5.5,5.5))#画布空白页缘调整 #建立映射,添加散点: p<- ggplot(data = tSNE, aes(x = tSNE_1, y = tSNE_2)) + geom_point(aes(color = celltype), ...