Sentence examples for sometimes impossible to ascertain from inspiring English sources

In this case, it is difficult, sometimes impossible, to ascertain the reason for the dropouts, and hence, whether the missingness is known or unknown, or MCAR, MAR or MNAR.

It is sometimes impossible to determine the CP-subtype before 4 years of age.

As neither biographer is big on sourcing, the truth is impossible to ascertain.

It was impossible to ascertain whether the shelling came from the military or the rebel Liberation Tigers of Tamil Eelam.

Similarly, how many have disappeared, taken into the jungle to never return, is impossible to ascertain.

Yet researchers have found it impossible to ascertain how the $9bn£6bnbn) disbursed to Haiti by the international community was spent.

But it is practically impossible to ascertain when Flaubert's self-mockery is contrived, and to resist its subversiveness.

Wala said it has been "virtually impossible" to ascertain facts about the administration's targeted killing program.

Griffith-Jones concluded that nobody should be prosecuted, as it was impossible to ascertain which guards had inflicted which blows.

But she admitted that how many people who had unknowingly eaten horsemeat was likely to be impossible to ascertain.

The truth is generally impossible to ascertain because many incidents are not even formally reported, much less investigated.