Mr Jung and his colleagues believe they have controlled for this.
The fighting is in areas which Russia claims to have controlled for weeks.
"We have controlled for most of the obvious candidates, including income, education, socioeconomic status, and rural/urban environments," he says.
In the Assembly, which Democrats have controlled for decades, Speaker Sheldon Silver received $2.6 million for his favorite groups.
Except for Warman et al. (2015), none of these studies have controlled for occupational matching in their models.
In fact, there are a number of factors that can lead to slight differences, including time and location, which this study doesn't appear to have controlled for effectively.
We will return to this question later, when we have controlled for other variables, but a simple thought experiment using the univariate coefficient suggests that power of education.
We have used the lagged values of this variable, and we have controlled for the marginal tax rate in the regression though it is dropped due to collinearity.
"We have driven the Taliban out of areas they have controlled for years, including their heartland.
The Democratic tide threatens to swamp congressional districts in Southern California's suburbs that Republicans have controlled for decades.
Even when researchers have controlled for demographic differences between male and female employees, such as worker qualifications, experience, occupation type, and industry, a persistent gap in wages remains.
