Regression crash

[jondef]

Describe the bug
crash

To Reproduce
Steps to reproduce the behavior:
add dataset
500, 10.5
1000, 49.2
1500, 72.1
2500, 85.4
3500, 113
4000, 121
4500, 112
5000, 80.2
5250, 61.1
5500, 13.8

regression degree 10

crash

Expected behavior
A clear and concise description of what you expected to happen.

Screenshots
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Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Additional context
Add any other context about the problem here.