which is a bad example of a least squares estimator should i use a linear estimator to estimate the variance? when would the least squares be a good idea why are ridges and least squares used why are least squares considered bad why might it be a bad idea to use a least squares estimator what would be a bad estimator where is least squares unnatural why is it bad to use least squares why is least squares used why is it bad to use least squares is a least squares estimator a bad idea when would an ordinary unbiased estimator be a good choice? which is a bad example of a least square? when would an estimator be a bad idea why is the least squares not a good idea why are least squares bad why use least squares instead of ridge why are least squares bad what is the best way to use a least squares estimator?