11. Comparison of measurement uncertainty estimation approaches
3:58
11. Comparison of measurement uncertainty estimation approaches
11 жыл бұрын
10.5 Nordtest approach in practice: Determination of acrylamide in snacks by LC-MS
20:13
10.5 Nordtest approach in practice: Determination of acrylamide in snacks by LC-MS
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10.4 Roadmap of uncertainty estimation using the Nordtest approach
2:06
10.4 Roadmap of uncertainty estimation using the Nordtest approach
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10.3 Estimating the uncertainty component due to possible bias
12:03
10.3 Estimating the uncertainty component due to possible bias
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10.2 Estimating the within-lab reproducibility component of uncertainty
3:58
10.2 Estimating the within-lab reproducibility component of uncertainty
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10.1.3 Overview of the practical implementation of the Nordtest approach
1:27
10.1.3 Overview of the practical implementation of the Nordtest approach
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10.1.2 The main equation of the Nordtest approach. Absolute and relative quantities
3:13
10.1.2 The main equation of the Nordtest approach. Absolute and relative quantities
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10.1.1 Introduction to uncertainty estmation based on validation and quality control data
1:43
10.1.1 Introduction to uncertainty estmation based on validation and quality control data
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9.9.1 STEP 9 -- Analysis of the uncertainty sources
3:29
9.9.1 STEP 9 -- Analysis of the uncertainty sources
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9.9.3 STEP 9 -- Conclusions 2
1:07
9.9.3 STEP 9 -- Conclusions 2
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9.9.2 STEP 9 -- Conclusions 1
0:36
9.9.2 STEP 9 -- Conclusions 1
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9.8.2 STEP 8 -- Finding the expanded uncertainty (the Welch-Satterthwaite method)
5:57
9.8.2 STEP 8 -- Finding the expanded uncertainty (the Welch-Satterthwaite method)
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9.7.2 STEP 7 - Numerical calculation of the uncertainty components: the Kragten method
18:58
9.7.2 STEP 7 - Numerical calculation of the uncertainty components: the Kragten method
11 жыл бұрын
9.8.1 STEP 8 -- Finding the expanded uncertainty (simpler approach)
0:57
9.8.1 STEP 8 -- Finding the expanded uncertainty (simpler approach)
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9.7.1 STEP 7 - Calculating the combined standard uncertainty
3:28
9.7.1 STEP 7 - Calculating the combined standard uncertainty
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9.5 STEP 5 -- Standard uncertainties of the input quantities
7:37
9.5 STEP 5 -- Standard uncertainties of the input quantities
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9.6. STEP 6 -- Calculating the value of the output quantity
0:27
9.6. STEP 6 -- Calculating the value of the output quantity
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9.4 STEP 4 -- Finding the values of the input quantities
9:18
9.4 STEP 4 -- Finding the values of the input quantities
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9.3.2 STEP 3 -- Uncertainty sources: one by one
5:08
9.3.2 STEP 3 -- Uncertainty sources: one by one
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9.3.1 STEP 3 -- Uncertainty sources: in general
1:30
9.3.1 STEP 3 -- Uncertainty sources: in general
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9.2 STEP 2 -- Model equation
2:34
9.2 STEP 2 -- Model equation
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9.1 STEP 1-- Definition of the measurand
4:42
9.1 STEP 1-- Definition of the measurand
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8. Overview of the approaches for estimating measurement uncertainty
6:44
8. Overview of the approaches for estimating measurement uncertainty
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7. Interrelation between the concepts of precision, trueness, accuracy and measurement uncertainty
4:10
7. Interrelation between the concepts of precision, trueness, accuracy and measurement uncertainty
11 жыл бұрын
6.4 Pooled standard deviation in practice: estimating within-lab long-term reproducibility
8:49
6.4 Pooled standard deviation in practice: estimating within-lab long-term reproducibility
11 жыл бұрын
6.3 Pooled standard deviation in practice: estimating repeatability
9:10
6.3 Pooled standard deviation in practice: estimating repeatability
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6.2 Pooled standard deviation
7:20
6.2 Pooled standard deviation
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6.1 How a within-day systematic effect can become a long-term random effect?
5:08
6.1 How a within-day systematic effect can become a long-term random effect?
11 жыл бұрын
5.4 Treatment of random and systematic effects
4:28
5.4 Treatment of random and systematic effects
11 жыл бұрын
Пікірлер
@jongtrelfa9721
@jongtrelfa9721 3 ай бұрын
Where did square root 3 come from? Is this a constant?
@SHVdas
@SHVdas 3 ай бұрын
Lucid explanation
@mygills3050
@mygills3050 4 ай бұрын
He looks like he's never frowned
@alidayuob6887
@alidayuob6887 6 ай бұрын
I don't understand any thing because the accent is not good to translate maybe this is reason why there is not any comment. please find any way to fix this problem
@anuragsharma9308
@anuragsharma9308 7 ай бұрын
Sir what is the limit value of combined uncertainty
@StanisTatang
@StanisTatang 7 ай бұрын
Where did you get that 0.5 measurement uncertainty?
@hagarahmed6358
@hagarahmed6358 8 ай бұрын
thank you sir for uploading this course
@biruk8617
@biruk8617 9 ай бұрын
Thank you for explaining the "abstract" in plain and simple language for all to understand. Excellent work!
@TheCraZHI
@TheCraZHI 9 ай бұрын
Great explanation. I think you need more pens in the pocket though, doesn't look enough.
@anakarinasaratsian8298
@anakarinasaratsian8298 9 ай бұрын
Wonderful, Professor Leito. 👏👏👏
@Parcosan
@Parcosan 9 ай бұрын
May somebody tell me why at 3:50 the professor says that the pooled standard deviation calculated for all 14 measurements corresponds to the situation as we made 11 measurements on a single day and on a single sample? Thank you very much.
@babyworld6954
@babyworld6954 Жыл бұрын
Thanks for sharing the knowledge
@innocence8319
@innocence8319 Жыл бұрын
I'm grateful prof ivo for the foundation you gave me in this subject and for simplifying measurement uncertainty
@gamertimer857
@gamertimer857 Жыл бұрын
Thank you for the presentation. May I ask What about humudity?
@srinivasm4789
@srinivasm4789 Жыл бұрын
చాలా బాగుంది
@BwezCwez
@BwezCwez Жыл бұрын
this guys accent sounds fake
@ayetsay1235
@ayetsay1235 Жыл бұрын
Thank you very much sir. it's usefull for me
@bipinbinod532
@bipinbinod532 Жыл бұрын
Superb
@anuragsharma9308
@anuragsharma9308 Жыл бұрын
❤ great course great channel
@UsamaKhan-vlog
@UsamaKhan-vlog Жыл бұрын
Excellent 👌
@johnmuller3313
@johnmuller3313 Жыл бұрын
Very clear explanation. Also a very soothing voice. Thanks!
@travelingexperience9687
@travelingexperience9687 Жыл бұрын
Good lecture about the combined Standard uncertainty!
@travelingexperience9687
@travelingexperience9687 Жыл бұрын
Nicely prepared lecture for the Standard Uncertainty!!
@sathegdeep
@sathegdeep Жыл бұрын
Thank you so much dear sir😊
@kamyarphysicsschool5065
@kamyarphysicsschool5065 Жыл бұрын
Great! you can also see my lesson in topic. It may be a different approach. Update me about your opinions.
@artloverrarts
@artloverrarts 2 жыл бұрын
what is the uncertainty though? +- 1 microlitre?
@t_hughes
@t_hughes 2 жыл бұрын
One day I aspire to have more pens in my top pocket to beat your world record 🙂
@keith789654
@keith789654 2 жыл бұрын
Great video. Very well explained and engaging.
@jamescrowther1234
@jamescrowther1234 2 жыл бұрын
I hope this guy is doing well, such thorough but well paced lecturing!
@coolman4607
@coolman4607 2 жыл бұрын
i like your accent and the way you teach
@dcw515
@dcw515 2 жыл бұрын
I would not be able to stay awake in his class
@user-vg1tt3vg9y
@user-vg1tt3vg9y 2 жыл бұрын
I hope he doesn't take offence when he sees this comment! I agree as he's very relaxing, hope you meant the same
@TRLSSCLASSES
@TRLSSCLASSES 2 жыл бұрын
Superb lecture series! Thank you sir!
@frankp2371
@frankp2371 2 жыл бұрын
Have to respect someone who is so excited by his craft. It’s charming.
@amitghangale6046
@amitghangale6046 2 жыл бұрын
hello Sir, How you calculate standard uncertainty for single result. please reply
@alashhab
@alashhab 2 жыл бұрын
I think you should divide by the Sq root of n
@eantropix
@eantropix 2 жыл бұрын
You teach well, and your ASMR potential is absurd! I don't even like chemistry that much, but you made it so soothing to learn!
@onuricen2624
@onuricen2624 2 жыл бұрын
Amazing
@AwesomeYeshua3579
@AwesomeYeshua3579 2 жыл бұрын
Great and inspiring teacher. Kudos
@RonaldoRgftcut
@RonaldoRgftcut 2 жыл бұрын
How can i calculate the uncertainty of determination of total fatty matter in soap or whatever the kind of sample ?
@jernyx9139
@jernyx9139 2 жыл бұрын
you crazy man?
@jernyx9139
@jernyx9139 2 жыл бұрын
I feel threatened
@kamleshthakur3871
@kamleshthakur3871 3 жыл бұрын
Very useful for NABL accreditation lab... Excellent👍
@kamleshthakur3871
@kamleshthakur3871 3 жыл бұрын
Very useful to understand student distribution
@habanabakizejeandamour6385
@habanabakizejeandamour6385 3 жыл бұрын
That great
@habanabakizejeandamour6385
@habanabakizejeandamour6385 3 жыл бұрын
That's great
@bayesianadventures6246
@bayesianadventures6246 3 жыл бұрын
Awesome presenter! Utterly charming and instructive!
@viperking6573
@viperking6573 3 жыл бұрын
i love his voice
@younggolden1577
@younggolden1577 3 жыл бұрын
Se para
@douglasfurtek7637
@douglasfurtek7637 3 жыл бұрын
Thank you Ivo. Best explanation of measurement uncertainty I have seen so far.
@qualityman1965
@qualityman1965 3 жыл бұрын
7 years old. 2 views. No wonder I can't get more than 5 students in my statistics class every semester.