Here, we look at how to use data imported into Microsoft Excel to perform a linear regression ... Statistics Knowledge Portal. "Simple Linear Regression, the Chi-Square Test." DataCamp.

This is the sixth in a series of lecture notes which, if tied together into a textbook, might be entitled “Practical Regression.” The purpose of the notes is to supplement the theoretical content of ...

This is a preview. Log in through your library . Abstract For the usual regression model without replication, we provide a diagnostic test for heteroscedasticity based on the score statistic. A ...

This is a preview. Log in through your library . Abstract Heteroscedastic errors can lead to inaccurate statistical conclusions if they are not properly handled. We introduce a test for ...