Sentence examples for it was difficult to include from inspiring English sources

Given these and associated problems, it was difficult to include institutional features directly in our econometric analysis.

It was difficult to include the students from higher grades due to examinations and rigid class timetables.

It was difficult to include objective measures of behavioural change in this study i.e. whether a participant was eating a healthier diet.

It was difficult to include re-assessment of confidence in this study as there is no system to track the place of posting of the graduates.

District respondents expressed the view that it was difficult to include partners in planning as their activities were often predetermined and districts had little power over the priority-setting of funds and activities of the partners.

But because the bacteria can have any of more than 80 different polysaccharides, it is difficult to include them all in the vaccines.

It is difficult to include at least two ground-fixed points in each photo frame, especially when the large object being tracked is being lifted and moved from a source location to a destination location in the field.

In the conventional works solving reserve allocation problems, however, the composite system reliability evaluation based on MCS has not received direct application since it is difficult to include the process in the optimization frame.

However, with the competency network example, even if nodes are contracted, it is difficult to include a negotiation 'initiation point' directly in the visualisation clicking on a node will expand or contract it, to help the user to focus on the whole or specific areas, and so this cannot also be used to initiate negotiation.

It's very good to get this help, but it is still not enough; it is difficult to include new people in the rations; for example, if you have children, it takes them a long time to be registered in the system to get help.

Nonetheless, this assumption is rather common and often implicit in other similar methods [16], [17], because it is difficult to include the translation issues into the model.