Why this error

{mentor edit: code removed}

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Hi @Ayush_Bhosale,

Please check your code against the formula, it should be the sum of the loss for all the sample data. What you have done here is just a array of all the difference, but has not sum them up to produce a scalar value for the total loss.

As you can see from the error message, your function should return a value of ‘float’ datatype.

To get the sum:

np.sum(abs(y-yhat))

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thanks

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