The phrase "adding the interaction of" is correct and usable in written English.
It can be used when discussing the inclusion of interactions or relationships between variables or elements in a particular context, such as research or analysis.
Example: "In our study, we are adding the interaction of age and income to better understand consumer behavior."
Alternatives: "including the interaction of" or "incorporating the interaction of".
In the untabulated test, we add the interaction of E-index and board size and the percentage of independent directors, but the coefficients on these interaction terms are insignificant.
DVD Movie Guide's Colin Jacobson said the episode "maintained a nicely irreverent tone most of the time — irreverent enough to make it amusing, at least," and added: "The interaction of the Simpson and Bouvier families at dinner was terrific, and Bart's experiences on skid row made their point while they still managed to be pointed and clever.
We therefore add the interaction of income deprivation with beds price to the model.
There are four models in this table; these consider treatment regimen, site, treatment regimen, and site, and adding the interaction terms of the two factors in each of Models 1, 2, 3, and 4 separately.
In model (3), the interaction term of excess cash remains be negative after adding the interaction terms of the E-index with pension ownership and industry competition.
If the interaction term was significant (P < 0.05) it was tested whether adding the interaction with square of gestational age was significant.
The statistical significance of adding the interaction terms was assessed by using a likelihood ratio test.
The proportional hazards assumption was tested by adding the interactions between each of the independent variables and the logarithm of time since diagnosis to the model; a joint test of these interactions tests the assumption.
In Model 5, we added the interaction terms of urban/rural areas with the number of children based on Model 4. The effects of the number of children aged 0 have no significant differences between urban and rural areas, but the effects for those aged 1 to 5, those aged 3 to 12, and children aged 13 and older are all significantly different.
