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fitting

Curve fitting is the process of constructing a curve, or mathematical function, that has the best fit to a series of data points, possibly subject to constraints. Curve fitting can involve either interpolation, where an exact fit to the data is required, or smoothing, in which a "smooth" function is constructed that approximately fits the data. A related topic is regression analysis, which focuses more on questions of statistical inference such as how much uncertainty is present in a curve that is fit to data observed with random errors. Fitted curves can be used as an aid for data visualization, to infer values of a function where no data are available, and to summarize the relationships among two or more variables. Extrapolation refers to the use of a fitted curve beyond the range of the observed data, and is subject to a degree of uncertainty since it may reflect the method used to construct the curve as much as it reflects the observed data.

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  1. P

    Correct way to measure fitting allowance and angled fitting offset

    Hello, running pipe isn’t a standard part of my day to day as a power generation engineer but occasionally install inch fuel pipe for fuel delivery systems. I am now about to take on a more in dept installation and was after some advice regarding the maths and industry methods of measuring the...
  2. G

    Mapress fitting on Hep2o

    I saw in a house it had copper press fittings on white hep2o Does this work or will the plastic slip the fitting ? Thanks in advance
    • Gussie 3
    • Thread
    • america fitting hep2o mapress usa
    • Replies: 4
    • Forum: USA
  3. J

    Fitting peglers PB300T

    I have a pegler PB300T isolation ball valve which has no flow arrow. I notice that the copper tube goes in further on one side than the other. Which way round should this be fitted. Thanks John G
    • Johncg
    • Thread
    • america fitting usa
    • Replies: 2
    • Forum: USA
  4. D

    Price bathroom fitting

    Hi all I'm wanting a new bathroom fitted and wondered what the cost of a plumber should be. It's ex local authority property small bathroom. I need bath, basin and close coupled loo. The layout won't be changing. I'll be doing floor and walls myself. What should I expect to be paying for a...
  5. M

    Will this need a bayonet fitting

    Can someone Qualified tell Me if i can Get A gas Hob ConnecttedTo this
    • Mmsjr6
    • Thread
    • america bayonet fitting usa
    • Replies: 4
    • Forum: USA
  6. P

    Stop tap stuck in blue MDPE pipe compression fitting, nuts undone top pipe moved out the way howerver the tap is stuck in pipe, do I just give a bit

    Hello ,trying to change stop tap it come up from floor in garage ,The tap is stuck in the blue MDPE PIPE.. its compression fitting , the nuts have been undone and the top pipe is out the way ,however the tap is stuck in the blue pipe. Do I just give it a bit more of a pull?
    • Phililp
    • Thread
    • america compression fitting mdpe moved pipe stop tap stuck tap top usa
    • Replies: 9
    • Forum: USA
  7. J

    Mixer Shower Fitting Advice

    Hi All, I am having a problem with fitting a mixer shower in our spare bathroom, I live in a new build flat (6 years old) and the shower that was originally on there was forced on, which is why it always leaked on the left side because the threads never truly lined up. I took the shower...
    • Joe27Reading
    • Thread
    • advice america fitting mixer mixer shower shower usa
    • Replies: 1
    • Forum: USA
  8. D

    What fitting and how to remove?

    Hi all, as per the title does anyone know how to release these fittings? I’ve tried turning and pulling but don’t want to force it? cheers
    • Darren1205
    • Thread
    • america fitting remove usa
    • Replies: 5
    • Forum: USA
  9. J

    Quadrant shower adjustment - MIRA ELEVATE QUADRANT

    Hi, I'm having difficulty fitting a quadrant shower. The guides are installed and are vertical but there seems to be an positioning issue when the screen is fully pushed into the guides. Please can someone confirm whether it is ok for the panel to not fully slide into the guide when you secure...
    • Jo Bennett
    • Thread
    • america fitting mira quadrant shower usa
    • Replies: 3
    • Forum: USA
  10. D

    What is this shower fitting called

    Hi, The plastic connector/convertor which the shower hose attaches to has been leaking and needs replaced. Beneath a cover is a screw which attaches the plastic unit to the protruding fitting. Can somebody please tell me what this fitting is called and ideally point me in the direction of a...
  11. gmartine

    Pump fitting, where can you get these?

  12. T

    fitting concealed shower valve

    good morning, we're fitting a concealed shower valve into a stud wall. the instructions say there's depth adjustment of 15mm. how do we adjust the depth? the instructions and youtube videos aren't that great on the small details. the face plate rests on the lock sleeves so i'm guessing we...
    • turtlesnuts
    • Thread
    • america concealed fitting shower shower valve usa valve
    • Replies: 5
    • Forum: USA
  13. C

    Fitting a Timeguard thermostat to a boiler with a timer - HELP!

    Hi, apologies if this is a stupid question but I'm a little lost at the moment. Complete amateur when it comes to plumbing (although I have replaced radiators and valves etc.), but we recently had our bathroom refurbed. Our boiler is in the bathroom cupboard which, pre-work, had a British Gas...
  14. J

    Regulations for fitting new water main from meter to house

    Hi, I'm having some issues with my current water main leaking. We had an extension put onto our house back in 2013, during which we moved our kitchen into the extension on the opposite side of the house. The stop tap was positioned in what would become the middle of our lounge, so the plumber...
    • JimUK
    • Thread
    • fitting house main meter new regulations water
    • Replies: 15
    • Forum: Ireland
  15. L

    Fitting smart thermostat (Drayton Wiser)

    Current spec as follows: Conventional boiler (Vaillant Ecotec) / open vented Drayton MA1 motorised valve actuator Honeywell cylinder stat Potterton EP2 programmer Danfoss Randall TP7001 room stat On order: - Drayton Wiser Heating & HW smart thermostat (Kit 2) Seeing as the Drayton Wiser kits...
  16. A

    fitting a 3-way T valve, what flexible hose to order?

    Hi, I'm new to UK plumbing system and got lost as don't know names/diameters/availability of the parts I need to do the job. I guess I'd need to remove one of the copper fittings and order a flexible fitting of some sort and diameter. Don't worry about the length I would get a suitable one...
    • abo_hosni
    • Thread
    • america fitting flexible hose order usa valve
    • Replies: 3
    • Forum: USA
  17. H

    Shower arm fitting not square

    Just had first fix of concealed shower valve. The wall plate elbows that will feed a shower arm and bath spout are not quite level. So the shower arm will not be horizontal and neither will the bath spout. Plumbers been back but still not right. They tell me there will be a couple of mill play...
    • Hillabaloo
    • Thread
    • america fitting shower shower arm square usa
    • Replies: 11
    • Forum: USA
  18. R

    Fitting new tap. How to remove this old one?

    the nut is huge I don’t have a socket that big. I’m assuming I have to undo that to release the tap?
    • Rickys162
    • Thread
    • america fitting new old remove tap usa
    • Replies: 2
    • Forum: USA
  19. siricosm

    How to connect to this fitting?

    Here is a pic of a fitting on a duplex stainless buffer cylinder. The thread looks to be 1" BSPP. Any idea of the best way to connect to this? Is there some kind of gasket/o-ring/olive meant for these? or is it best to use a tapered fitting with pipe with dope and hemp?
    • siricosm
    • Thread
    • america connect fitting usa
    • Replies: 2
    • Forum: USA
  20. milleniumaire

    Help on getting a water tight fitting

    Forgive my ignorance. I was performing a test of a new manifold today, using mains water pressure to the 22mm flow pipe and back through the return. Unfortunately it failed as one of the joints where the 22mm copper pipe connects to the manifold failed and water leaked out. I'm now wondering...
    • milleniumaire
    • Thread
    • america fitting getting help tight usa water
    • Replies: 13
    • Forum: USA
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