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
Note: left and right data must have same number of rows and columns
left data

right data

Optional
Figure size
figure width:
figure height:

Fontsize
X/Y axis label fontsize:
X/Y axis ticks fontsize:
left/right data instruction fontsize:

Data instructions
left data instruction:
right data instruction:
X axis label name:
Y axis label name：

Left colors (at most 6 data sets)
color1:
color2:
color3:
color4:
color5:
color6:

Right colors (at most 6 data sets)
color1:
color2:
color3:
color4:
color5:
color6:

Add vertical grid


Spacer
spacer = 0, Y labels on the most left
spacer >0 (e.g. 0.1), Y labels in the middle
spacer size (the bigger, the wider)：
[only for spacer>0] label location:

Fontfamily


dual Y bars (population pyramids)

Introduction
Using dual Y bars to show two categorical data. For population pyramids, left for men, right for women. bars for values. bars can be stacked.
Data instructions
left data: column 1 is name, column 2+ is values (can only have one data set), all values must be positive or zero.
right data: column 1 is name, column 2+ is values (can only have one data set), all values must be positive or zero.
left data and right data must have same number of rows and columns.
Paper example
Demographic change and assimilation in the early 21st-century United States. fig1
Input Example
Output

1) How to plot?
1, Put data in excel according to the example format.
2, Copy and paste into input frame.
3, Input pre-checking button to check input
4, After checking pass, select parameters, submit and download

2) How to cite?
4000+ 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.

3) FAQs