Technical notes

Two pieces on how I approach the work. Not news, not a blog — just the reasoning, written down, so you can judge it before you engage me.

• Reading process variation: signal, noise and superstition

  Why the month everyone panicked about was probably nothing, and how a control chart tells you which months to actually investigate.

• Scope definition, and why cost and risk controls fail without it

  The three documents that decide whether a capital project delivers what was asked for.