Detailed information about the nonresponders was unavailable for reasons of data security, and the overly large effort expended by the staff.
For the Eyelink 1000, the proportion of unavailable data was less than.04 of the total viewing material presented for both participants, the mean duration of raw data fragments was 9,800 ms for participant 1 and 3,300 ms for participant 2, and average within-fixation variance was approximately 0.12° for both participants.
Data for some years were missing in our study (< 1%), but the proportion of unavailable data points was small, and as such, the effect of missing data is considered to be minimal.
For the TX300, the proportion of unavailable data was higher (circa.17) for both participants; the mean duration of raw data fragments was 2,100 ms for participant 1 and 1,500 ms for participant 2. Within-fixation variance was below 0.1° for both participants.
About 15percentt of the time, Google was simply unavailable in China because of data jams.
Accumulated information of normal tissues from a data repository will take the place of data unavailable for a specific individual.
There were increasing levels of missing data with longer follow-up, which is a mixture of data unavailable from the medical record and data still pending entry into the registry.
Missing values were then replaced with older data of those individuals preferentially, with data at an adult age and, if unavailable, with data of adolescents and children (step by step, one batch of questionnaires at a time).
The architecture and mechanics of an orogen can be understood in terms of a system of collages that are characterized by a complex assemblage of multiple components, but the fundamental paleogeographic framework and the tectonic relationships between the different components are often insufficiently defined, because of unavailable data.
d Excluded because of unavailable data.
