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Length in relation to fusing current

  • Thread starter mrshoaib
  • Start date
  • #26
14
0
Thanks for that, I will just plot a line of best fit on excel and find rsquared.

Just to check, if the value of rsquared is 0.9742, does this mean that the relationship is almost linear?

Many Thanks
Tom
 
  • #27
Hootenanny
Staff Emeritus
Science Advisor
Gold Member
9,622
6
The R-squared value tells you how closely your line of best fit fits the data, a value of 1.0 means that given one value (say wire diameter) you can accurately calculate the other value (fusing) current. A value of 0.0 means that you cannot predict any values accurately. So the closer to 1.0, the more accuratly you can predict uknown values from know values and the better your line of best fit fits the data. However, because your line of best fit is linear and you have an R-squared value of close to 1.0, this suggests / indicates that the relationship is linear.
 
  • #28
14
0
Ah thanks for explaining it
 

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