Recent comments in /f/dataisbeautiful

giddyeelreturns t1_j2o3lz7 wrote

It’s true. I once told a kebab guy it was my first ever and he loaded up a monster of a meal for me in one wrap. Nothings ever come close and I’ve been chasing that high since.

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RomulusSc2 t1_j2o0b4u wrote

Now you gotta try to sell this data back to them for absolutely no reason. Frame it as "Money saving" or "efficient". Then take that money and give it back to the owner and tell him you just want a burrito every saturday.

There's your end game.

3

pipboyover9000 t1_j2nzx3d wrote

Don’t worry mate, your “lesson” would have been filled with dogshit and I’m glad to have been spared that crap.

And I can tell you barely passed the high school level stats class that you snoozed through as well.

Engineers graph these processes exactly like this and I had no issue reading his work

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Jaded_Prompt_15 t1_j2nxu4l wrote

> There is no magic rule that states this need be the case for a graph to be useful.

You didn't have to tell everyone you never took a statistical analysis class...

>only an idiot would assume that the bottom line is a zero

You don't even know what's wrong, if you weren't acting like this I would have taught you something.

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pipboyover9000 t1_j2nx2d6 wrote

Just so you are aware, graphs do not need to start at zero. There is no magic rule that states this need be the case for a graph to be useful.

You use relative axes all the time so that it is possible to see small variations in data that would be otherwise impossible if you scaled it so that the graph axes have zeros

The issue is that not having a zero correctly scaled can be misleading but with the data points being labeled in the first graph, only an idiot would assume that the bottom line is a zero

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pipboyover9000 t1_j2nuvru wrote

Control limits are set by the organization running the process and are only used as an indicator to an engineer that a process is out of the desired control. Using control limit methods is irrelevant here as any limit average is assumed to not change over time which is clearly incorrect and the data would need to be normalized first.

The calculations that you speak of are very weak when you only take one sample at a time, which is why you see guys on the floor pull off like 3-5 at a time and average them.

Did you just take a manufacturing class or something?

3