Sentence examples for estimation difficulties from inspiring English sources

In practice, estimation difficulties may arise as a result of selection bias and limited historic testing.

We attempt to deal with estimation difficulties resulting from the endogeneity of current characteristics (such as identity,3 discrimination or social contacts) and omitted variable bias (primarily due to unobserved personality traits) by relying on panel data.

Purchase of a large and expensive house becomes more distant vision for most people due to high initial cost, the size estimation difficulties, oversizing effects in higher mortgage and cost of maintenance.

In order to study possible estimation difficulties for this model when the true value of α is either zero or around it, we simulate data from the gamma generalized distribution, i.e., by taking α=0 for some choices of the parameters a, λ and β and then use the GEW model in the estimation procedure.

None of these studies considered ILUC, due to estimation difficulties.

We set θmin = 0 to avoid estimation difficulties for chemicals with low cytotoxicity.

Thus, we considered our sample size (N = 302) adequate for the estimation of difficulty and discrimination of TDE-II items.

Any change of the process with respect to the initial conditions where the experiments were conducted implies an additional estimation error which difficulties the use of the model in the current process.

Fitting the model to real speech poses a difficulty: estimation of too many parameters may make the fitting method unstable.

A simple Rasch model, with relatively few parameters and a straightforward estimation of the difficulty parameter, was chosen.

The ordering based on the item difficulty parameters was in line with the ordering based on the estimation of the items' difficulties by our expert group, and the easy, moderate, and difficult items were included in the final version.