This makes longer-run analysis difficult.
The combination of parallel evolution and paedomorphic evolution has made phylogenetic analysis difficult.
The IPC pointed out that, while there is insufficient data available to declare a famine, volatile conditions in the country have obstructed access, making timely analysis difficult.
This alignment permits very tight packing of the chains and promotes their structural stability but also makes structural analysis difficult.
As for contributions, thousands of donations came in for both candidates from across the United States, although the lack of access to a computerized version of the reports made immediate analysis difficult.
The data are reported in an opaque way making deeper analysis difficult.
Also, the highly discrete nature of automata models makes theoretical analysis difficult.
Furthermore, the available data are not homogeneous (definition, incidence, concerned population) making analysis difficult.
Both this and the high dimensionality of the model make analysis difficult.
At thesame time, however, they might find parts of the analysis difficult to engage with.
In some cases narrative descriptions were used making structured analysis difficult or unreliable.
