Read before use
1, check data with precheck (windows version) tools
2, data from excel, copy and paste data into the input frame
3, data from txt, must tab-seperated, copy and paste data into the input frame
4, specieal and non-English characters such as #, <, >, %, (, ), α are not friendly
5, use point as decimal separator, not comma. e.g. 3.14, not 3,14 as pi

Required
Input data：


Figure size & corrlation number size
figure width:
figure height:
correlation number fontsize:

Correlcation digital number
2 3

Correlation methods
pearson spearman

Correlation colors
lower color:
middle color:
higher color:

Method
circle square ellipse number shade color pie

Shape
full lower triangle upper triangle

Display p
no (only show correlation number)
yes (show p-related)

p significant level
0.05
0.01
0.001
label all
0.05,0.01 (* and **)
0.05,0.01,0.001 (*, ** and ***)

insignificant p label type
pch (insig p labelled with X)
p-value (insig p labelled with number)
blank (insig p not show)
label_sig (insig p without *, sig p with *)

Fontfamily


note: if you want to show p, you must first choose "yes (show p-related)" first
not all combinations are ok.

correlation coefficient plot

Introduction
Using matrix to show correlation coefficient.
Input data instructions
original order. Examples from papers
Histone Code and Higher-Order Chromatin Folding: A Hypothesis. Fig1
Input sample data
Output

1) How to plot?
1, Prepare data
2, Open with excel, and change into the same format as the example
3, Copy and paste data into the input frame
4, Select parameters
5, Submit and download figure files

2) Why NO figure generated?
Script need strigent input format, please read the instructions and examples carefully.

3) How to cite?
2000+ papers in (Google Scholar)
Tang D, Chen M, Huang X, Zhang G, Zeng L, Zhang G, Wu S, Wang Y. SRplot: A free online platform for data visualization and graphing. PLoS One. 2023 Nov 9;18(11):e0294236. doi: 10.1371/journal.pone.0294236. PMID: 37943830.

4) FAQs