S-curve

One line that starts slow, steepens, then flattens against a ceiling. The value is in naming which of the three stretches you are standing in. A flat early stretch and a flat late stretch look identical week to week and mean opposite things, and the ceiling line is what tells them apart.

One line that starts slow, steepens, then flattens against a ceiling. The value is in naming which of the three stretches you are standing in. A flat early stretch and a flat late stretch look identical week to week and mean opposite things, and the ceiling line is what tells them apart.

Example

Best when growth has an upper bound and you need to know whether a flat patch is the start or the end.