Finally, in the era of big data, the integration of multiple types of heterogeneous data is itself an important problem, the method we used in this paper provides a means for solving two basic questions, the comparability of heterogeneous data and the integration of multiple types of data.
"Our surveys consistently show the large variation between those universities that require the most and the least workload in any one subject and raises again the question about the comparability of standards between these institutions," said Bahram Bekhradnia of Hepi.
The timing difference for the non-invasive study (5 weeks) and the invasive study (14 weeks) during the course of rhEpo administration (see Fig. 1) raises the question of the comparability of the two studies, because of a potential rhEpo time effect.
For New Zealand, a change in the census ethnicity question affected the comparability of 1991 and later life tables [ 33].
The use of age-standardised death rates might make the comparison across countries more compelling, though the question on the comparability of standard populations used remains valid.
He said the research raised difficult questions about the comparability of degrees from English universities.
The sheer breadth of Pisa has also raised questions about the comparability of results within it.
Definitional differences across time required that this exercise be restricted to a more select subsample, raising questions regarding the comparability of the results with those from other specifications.
Transformation from LTER to LTSER – Long-Term Socio-Ecological Research – raises questions about the comparability and compatibility of research, the need for indicators linking environmental and socio-economic processes as well as criteria for launching research sites that focus on interaction between society and nature.
This has led to questions about the comparability of data collected using different methods [ 4].
This raises questions about the comparability between traditional survey methods and electronic data collection.
