I meet a lot of people at conferences or webinars where I participate at as speaker, or when I consult at a customer, and I often have the feeling that some people are very confused about what is involved in the everyday work of a data scientist.

Sometimes I ask these people where they heard all that strange information, and they claim to read it in some tutorials. It turns out, that some tutorials include information that is not necessary a lie or stupid, but it easily can be misleading for someone who just would like to get started in this field.

I collected some information that me, and other data scientists found at different tutorials...