The phrase "making comparison difficult" is grammatically correct and can be used in written English.
It means that something is causing or resulting in difficulty when trying to compare two things. Example: The wide variety of options available on the market is making comparison difficult for consumers.
There is a wide range of different preparations, making comparison difficult.
Complicating matters further, many studies are small and they use a variety of methodologies, making comparison difficult.
Previous research on individual technologies use different assumptions and data or focus on one region making comparison difficult.
Almost all fluidized bed reactor models are restricted to a single flow regime, making comparison difficult, especially near the regime boundaries.
What makes it so appealing is that its complex formulae distil the range of potential daily profits or losses into a single dollar figure.Only so far with VARFrustratingly, banks introduce their own quirks into VAR calculations, making comparison difficult.
As a result, some ICUs may thus achieve caloric goal nutrition targets 'more easily' than others, making comparison difficult.
But in the ocean, surfing conditions can change drastically from one heat to the next, sometimes making comparisons difficult.
The 2014 report has a wider scope, making comparisons difficult, but the authors of the latest version conclude: "the problem is much greater than previously known or documented".
The Office for National Statistics argued that the cut in the 50p top rate of tax to 45p last year prompted people to delay their bonus payments, making comparisons difficult.
However, this study did not use the Utstein style making comparisons difficult.
Most commercial solutions focus on detailing features of their product rather than the system architecture, which is making comparisons difficult.
