Jump to content
View in the app

A better way to browse. Learn more.

SSA® Car Audio Forum

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

Featured Replies

  • Admin

15" and 18" parts are way behind, grrrrrrrrrrr.

Uh oh.

Yeah, can't sleep right when orders are late.

Hey shit is going to happen. Most people will understand.

Yes, most should, but it is my name on the line and I really take it to heart as I want this to succeed like no other. Either way, I know it is growing pains and we will get past it.

You need to post a disclaimer of at least one month build time. If they don't like it, tough shit and you don't want that customer anyway.

It was up'ed to 21 days a couple of months ago.

  • Replies 317.8k
  • Views 11.1m
  • Created
  • Last Reply

Top Posters In This Topic

Most Popular Posts

  • j-roadtatts
    j-roadtatts

  • Chill- Lemme break it down as simple as I can on some of us here. The IHoP is like a big dysfunctional family. -M5 would be the uncle everyone respects and takes advice from. We may not like how he p

Posted Images

Do you guys know any statistical test where I can test a distribution against another to see how alike they are?

Basically, I want to compare "signatures" in a way

Background: I have 7 vehicles that I record engine parameters for; I want to test each vehicle's distribution of engine speed to ensure that they are all close enough to the average so that I can assume running 1 analysis on the average is comparable to running the analysis on each vehicle individually.

What are you recording and what time interval and how is the data stored?

I record engine speed and any other basic parameter you can think of. I plan on only testing the engine speed and calling it good enough. The data is recorded every second, but I'm looking to show that the way the engines run average out to be the "same" overall.

  • Admin

And if you need help with anything, just ask.

I was going to email you, but I can just ask in here.

Ok, a friend at work has a '07 F150 4.2L - 2WD and is considering some more performance upgrades. I started to do some searching around yesterday, and I thought to myself, 'Ryan would be much better at this'. So he currently has a cat-back exhaust and I think is considering ignition and intake upgrades. Thoughts sir?

:)

Do you guys know any statistical test where I can test a distribution against another to see how alike they are?

Basically, I want to compare "signatures" in a way

Background: I have 7 vehicles that I record engine parameters for; I want to test each vehicle's distribution of engine speed to ensure that they are all close enough to the average so that I can assume running 1 analysis on the average is comparable to running the analysis on each vehicle individually.

What are you recording and what time interval and how is the data stored?

I record engine speed and any other basic parameter you can think of. I plan on only testing the engine speed and calling it good enough. The data is recorded every second, but I'm looking to show that the way the engines run average out to be the "same" overall.

So you want to compare RPM over time?

Do you guys know any statistical test where I can test a distribution against another to see how alike they are?

Basically, I want to compare "signatures" in a way

Background: I have 7 vehicles that I record engine parameters for; I want to test each vehicle's distribution of engine speed to ensure that they are all close enough to the average so that I can assume running 1 analysis on the average is comparable to running the analysis on each vehicle individually.

What are you recording and what time interval and how is the data stored?

I record engine speed and any other basic parameter you can think of. I plan on only testing the engine speed and calling it good enough. The data is recorded every second, but I'm looking to show that the way the engines run average out to be the "same" overall.

So you want to compare RPM over time?

https://www.dropbox.com/s/ldg2w6meg70rbm6/Engine%20Distribution%20comparison.jpg

The left is the engine speed distribution of a single vehicle in my study. the right is the distribution of all the engine speeds for all the vehicles. I want to compare the distribution to say that it is statistically similar so studying the overall distribution instead of studying 7 individual vehicles will produce the same results with less work.

No go in excel, it's not too friendly with 3,000,000 data points. however I use JMP and have all the counts for all the distributions (that's how I made the graphs in another program)

However, I think I found another way around it to make me feel comfortable with the data.

Can always do the same in Matlab.

Since you have the counts already though you don't need it. The real question then becomes how do you compare the distribution and what will be the factors that determine a match or difference.

<--Knows a magical fairy that has Matlab, if you want it Mkader.

So frustrated with my last prof. I fell like I wasted so much time on a stupid undergrad elective course and he gave me a freaking C! Ironically, I made an A in my graduate level class. If it wasn't for this professor and my shitty prof my first semester I would have a 3.52 instead of my 3.12.

I room with a fairy with the same said magical powers wink.png

But I wouldn't make you do unspeakable things in return. :lol:

  • Admin

I room with a fairy with the same said magical powers wink.png

Pictures of said fairy? ;)

  • Admin

37k posts? Yikes, still never going to catch Sean.

And if you need help with anything, just ask.

I was going to email you, but I can just ask in here.

Ok, a friend at work has a '07 F150 4.2L - 2WD and is considering some more performance upgrades. I started to do some searching around yesterday, and I thought to myself, 'Ryan would be much better at this'. So he currently has a cat-back exhaust and I think is considering ignition and intake upgrades. Thoughts sir?

:)

Sell the truck and buy something else. Really, the amount of money it would take to notice anything would be pointless. Even with a full port, cam,intake, exhaust and tune, he'd be lucky to see 40 horse. I'd boost and tune and go from there, but nobody makes a kit for the 4.2, so he'd have to fab something.

  • Admin

And if you need help with anything, just ask.

I was going to email you, but I can just ask in here.

Ok, a friend at work has a '07 F150 4.2L - 2WD and is considering some more performance upgrades. I started to do some searching around yesterday, and I thought to myself, 'Ryan would be much better at this'. So he currently has a cat-back exhaust and I think is considering ignition and intake upgrades. Thoughts sir?

smile.png

Sell the truck and buy something else. Really, the amount of money it would take to notice anything would be pointless. Even with a full port, cam,intake, exhaust and tune, he'd be lucky to see 40 horse. I'd boost and tune and go from there, but nobody makes a kit for the 4.2, so he'd have to fab something.

He is not going to sell, just wants a few more ponies in his rig.

I know that, but it's just throwing money away. The ignition will do nothing. Ford has awesome stock ignition systems. in factory form, it will easily support triple his factory ratings for power. The intake will net him a few if he's lucky. I'd go for a custom tune myself. That will get him the most. He can order a programmer and a generic tune for less money as well and get pretty good results.

Sync is such garbage, My rental while my car is in the shop has it and its fucking garbage. I sat there for 10 mins trying how to get bluetooth audio to work and about 5 minutes figuing out how to sync my phone.

Do you guys know any statistical test where I can test a distribution against another to see how alike they are?

Basically, I want to compare "signatures" in a way

Background: I have 7 vehicles that I record engine parameters for; I want to test each vehicle's distribution of engine speed to ensure that they are all close enough to the average so that I can assume running 1 analysis on the average is comparable to running the analysis on each vehicle individually.

Do you guys know any statistical test where I can test a distribution against another to see how alike they are?

Basically, I want to compare "signatures" in a way

Background: I have 7 vehicles that I record engine parameters for; I want to test each vehicle's distribution of engine speed to ensure that they are all close enough to the average so that I can assume running 1 analysis on the average is comparable to running the analysis on each vehicle individually.

What are you recording and what time interval and how is the data stored?

I record engine speed and any other basic parameter you can think of. I plan on only testing the engine speed and calling it good enough. The data is recorded every second, but I'm looking to show that the way the engines run average out to be the "same" overall.

Do you guys know any statistical test where I can test a distribution against another to see how alike they are?

Basically, I want to compare "signatures" in a way

Background: I have 7 vehicles that I record engine parameters for; I want to test each vehicle's distribution of engine speed to ensure that they are all close enough to the average so that I can assume running 1 analysis on the average is comparable to running the analysis on each vehicle individually.

What are you recording and what time interval and how is the data stored?

I record engine speed and any other basic parameter you can think of. I plan on only testing the engine speed and calling it good enough. The data is recorded every second, but I'm looking to show that the way the engines run average out to be the "same" overall.

So you want to compare RPM over time?

https://www.dropbox....0comparison.jpg

The left is the engine speed distribution of a single vehicle in my study. the right is the distribution of all the engine speeds for all the vehicles. I want to compare the distribution to say that it is statistically similar so studying the overall distribution instead of studying 7 individual vehicles will produce the same results with less work.

What is the goal of this? I can record and upload several live data parameters of any cars you might be interested in. I could provide live data feeds, or screen shots that include graphed parameters if you can't get live feeds. Any recorded information by the ECU I can provide. My new scanner is really a serious piece of equipment.

Guest
This topic is now closed to further replies.

Recently Browsing 0

  • No registered users viewing this page.

Configure browser push notifications

Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.