Questions tagged [ggplot2]
Advanced R visualisation and plotting package based on the grammar of graphics. ggplot2 is also available in Python via 'plotnine' which uses ggplot2 code
59
questions
2
votes
0answers
18 views
Calculating percent mouse cells per sample
I want to see the correlation between % mouse reads per sample vs % mouse cells per sample. I've already calculated the % mouse reads per sample but I'm stuck on calculating the % of mouse cells per ...
-1
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0answers
40 views
How to plot data points based on pairs in R
I am struggling with a plotting problem in R. My dataframe looks like this:
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0
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2answers
52 views
ViolinPlot x-axis
I'm trying to set the x-axis in my Violin Plot to go by each patient rather than it being scattered.
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1
vote
1answer
34 views
How to plot the gap distribution of contigs wrt to reference genome
I have a contigs file that I generated using Minia and then I have used Minimap2 to map these contigs again to the reference genome. Now I want to plot the gap distribution i.e. gap distance of the ...
0
votes
1answer
27 views
Barplot without alphabetizing x-axis
I'm inputting a .csv file and then plotting a barplot based on the colnames but when I go plot the order the names are being alphabetized rather than get the order that is in the .csv file. How to I ...
1
vote
2answers
132 views
PCA plot in R coloured by sample type
I'm a biologist, not a programmer so please be gentle.
So I have a dataset that looks like
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-2
votes
1answer
92 views
Multiple box plot
I am using below code to plot multiple box plot but I am still struggling to understand how I can add whisker to box plot and how to change sample order like in this figure SampleType?
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1
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0answers
24 views
How to call this : some dots in volcano plot aligned a line after add a very small value to padj
when I plotting the volcano plot, I got some dots very top of the Y-axis because their padj nearly reached 0（I checked the data, I think they are reliable）, so I followed the advice to add a very ...
1
vote
1answer
218 views
ggplot2 geom_bar() , do not merge y-values shared same x-ids [closed]
I am plotting a barplot using ggplot + geom_bar() function in R.
I have some the recoreds which share the same x-axis ...
2
votes
1answer
61 views
Plot information stored in dataframe within a tree (ggtree)
Hello to the entire Stackoverflow community!
I'm writing to you because I'm currently building a phylogeny with ggtree and I have in parallel a table like this one:
df :
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0
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1answer
38 views
0
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1answer
387 views
0
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2answers
80 views
Grouping a set of genes in a ggplot object
I have a boolean matrix of mutated or non mutated genes across some samples
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-5
votes
1answer
63 views
How to visualise the proportion of clonal genes to sub clonal genes [duplicate]
I have a data frame
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-5
votes
1answer
68 views
0
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1answer
44 views
A box plot of qualitative variables
I have 2 groups of patients; responders to chemotherapy and non-responders
I have calculated cancer cell fraction (CCF) of a set of driver genes (by variant allele frequency) for each group and I ...
0
votes
1answer
62 views
-1
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1answer
87 views
0
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2answers
53 views
Clustered column chart for single cell data
I want to create a column plot for my single cell analysis that has 2 sample types, a normal and PDAC. I want to show, the percentage of different cell types per sample type.
How do I go about ...
1
vote
1answer
739 views
Visualizing the difference among three groups
I have 3 data frames for three groups of patients and in each of them I have the number of mutation types like insertion, deletion, SNP and total of mutations for each patients. In each group I have ...
0
votes
2answers
544 views
Making a volcano plot look less cluttered
I have generated a volcano plot with a differential expression file.
Code for inputing file:
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0
votes
1answer
80 views
Bar plot with error bars
I am trying to plot a box plot/stacked bar graph with error bars.
output of dput(DF)
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0
votes
1answer
38 views
Dodged bar chart
I want to create a dodged barchart with different cell cycles for each cell type within each condition.
dput(DF_count)
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2
votes
1answer
1k views
Pulling out a certain gene in a volcano plot
I have generated a volcano plot with a differential expression file.
Code for inputing file:
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0
votes
1answer
2k views
stacked bargraph with error bars
I'm attempting to plot a stacked barplot with ggplot2 with this code:
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-1
votes
2answers
222 views
Making a boxplot or violinplot for several dataframe with different number of samples
I have 3 data frames for treatment of 3 different drugs and in each of them I have the number of mutation types like insertion, deletion, SNP and total of mutations for each patients. In each group I ...
0
votes
1answer
200 views
Stacked barplot for single cell analysis
I want to create a stacked bar-graph with different cell cycles for each cell type within each condition. I have uploaded the file for it. Don't know how to go about it as now I have another condition ...
0
votes
3answers
94 views
Boxplot of read length distributions from multiple samples
Newbie R user here. I want to create a plot with boxplots of read length distribution on the Y-axis, and samples on the X-axis -- like this image from doi: 10.1038/srep16498
However, I'm not sure ...
7
votes
1answer
321 views
Density plot, scale it to 0-1
Doubt regarding density plot what is the scale being plotted in the Y axis.Is it possible to scale it to 1?.
This is my code
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0
votes
1answer
3k views
Seurat VlnPlot presenting expression of multiple genes in a single cluster
Seurat VlnPlots are most commonly used to visualize differences in any given gene expression across multiple clusters or cell types. For example:
...
0
votes
1answer
2k views
How do I increase the minimum dot size in Seurat's DotPlot function?
I want to use the DotPlot function from Seurat v3 to visualise the expression of some genes across clusters. However when the expression of a gene is zero or very low, the dot size is so small that it ...
0
votes
1answer
169 views
Customizing colors in geom_arc_bar (ggforce)
I am trying to plot scatter plot of pie charts using ggplot2 and ggforce.
Following is my code
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0
votes
1answer
950 views
Changing the axis limits of ggplot objects
By EnhancedVolcano R package I have this plot with this code
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2
votes
1answer
2k views
Create a Grouped Barchart
I’m trying to create a Group Chart like this:
I have 7 classes for each of 4 species, not 5 like in the diagram. I want to build i diagram to show the distributions of the classes in each species
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2
votes
1answer
108 views
Multiple line chart
I am trying to create a multiple coloured line graph based on six lines.
Essentially I have data that identifies different units of vegetation by the variable” NDVI (vegetation index)” I want to ...
1
vote
1answer
431 views
How do I add external labels and connecting lines to a Ternary Plot in R?
I have plotted a triangular plot,that three dimensions of which represent three herbal strategies. One dimension represents the strategy of C (competitive plant), the second dimension “S” (stress ...
1
vote
0answers
131 views
How can I correctly get 3D scatter plot for micro-array pheno data in R [updated]?
I intend to see data points distribution (each reows) within labeled groups (different batchs such as 1,2,3, and so on) in 3D scatter plot, because I want to see the distribution of the data points ...
2
votes
2answers
2k views
How do I add a colour annotation bar to the heatmap generated by DoHeatmap function of Seurat v2?
I am using Seurat v2 for professional reasons (I am aware of the availablity of Seurat v3). I am clustering and analysing single cell RNA seq data. How do I add a coloured annotation bar to the ...
1
vote
0answers
76 views
Missing lower IQR in boxplot [closed]
Im not able to figure it out why the lower quartile of the two data points missing.
Data
Code
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3
votes
1answer
1k views
Percentage distribution of cells in all clusters based on their treatment condition?
I have 2151 cells, I clustered them by Seurat to 5 clusters. With the code below, I am able to have the number of cells per cluster and per condition:
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3
votes
1answer
199 views
How do I prevent the FeatureHeatmap function from the Seurat package, from sorting my data groups in alphabetical order when plotting data?
How can I prevent a function from sorting my data groups (factors) in alphabetical order without affecting the integrity of the data? I am analysing single cell RNA sequencing data using Seurat 2.3.4. ...
3
votes
1answer
1k views
How to set the position of groups in a Seurat object on a FeatureHeatmap plot
I am analysing singe cell sequence data and I have followed this tutorial, https://satijalab.org/seurat/pbmc3k_tutorial.html to perform QC and various differential analyses using the Seurat package on ...
3
votes
2answers
3k views
Separate boxplots for multiple violin plot
I am using the following function from seurat package to generate multiple violon plots and I am interested in adding box plots to them but it doesn't work when I have plotted different data at once.
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4
votes
1answer
617 views
How to plot p-values in a circular barplot?
Im trying to plot reactome pathway in for of circular bar plot using ggplot2
my data
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2
votes
0answers
115 views
How to plot gene mutation frequencey in terms of percnatge alteration in samples?
I'm taking data from cbioportal of gene and their mutation frequency with percentage which I'm trying to categorize with various sub class.
The issue I'm facing is I have to plot it in mutation ...
2
votes
1answer
187 views
Question about the dots on Quartile groups in boxplot
I have Microarray Normalized Expression data for a specific Gene. It looks like below in a dataframe B
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3
votes
2answers
825 views
Changing a wide range of colours to a limited gradient
I returned a FeaturePlot from Seurat to ggplot. My plot has a weird range of colours as below
I produced this plot by this code
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1
vote
0answers
364 views
How to create a dendrogram of clusters and reconstruct phylogenetic relationship
I'm working with a Daphnia data set looking at the 16s gene pulled from the BOLD database. So far I did
a multiple sequence alignment and
attempted to cluster and plot a dendrogram:
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1
vote
1answer
51 views
Error in annotating row names as data points in a PCA plot
I made a PCA plot and was trying to plot the eigenvenctors in R so that each data point is actually the sample name. All the samples are in column 1. The following are the R commands I am using:
<...
4
votes
1answer
298 views
Plot to show the expression of genes between tumor and normal
I have RNA-seq raw counts data for 50 samples. 20 Normal and 30 tumor. After differential analysis I got 30 DEGs. I want to make a violin plot showing the expression of each gene. I transformed counts ...