Personally, I find it more convenient to have the sampling train assembled ahead of time. The sample is labeled and as much of the data collection sheet as possible filled out before heading to the ...

Module 1 (M1) - Handling data - Surveys and sampling. Part of Maths M1: Handling data. ... A data collection sheet makes this easy to do. A data collection sheet has three columns.

High-resolution, three-dimensional protein structures can be solved using MicroED, an electron diffraction method that uses three-dimensional microcrystals. An improved MicroED data collection ...

A data collection sheet has three columns. The first column contains the different possible data values. The second column is for a tally so that the data can be counted as you go along.