tag:blogger.com,1999:blog-753589427119541238.post1782425267840054945..comments2023-07-05T09:38:23.624+01:00Comments on The Half-Dipper: 2009 Xizihao "Jingmai"Hobbeshttp://www.blogger.com/profile/10719619695211038389noreply@blogger.comBlogger18125tag:blogger.com,1999:blog-753589427119541238.post-80073988303625866222010-06-28T18:06:22.268+01:002010-06-28T18:06:22.268+01:00Welcome! Do let me know if you'd like to come...Welcome! Do let me know if you'd like to come to visit Oxford during your travels - it's just an hour away from Leicester. My e-mail address is hobbesoxon@gmail.com.<br /><br /><br />Best wishes,<br /><br />HobbesHobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-13821814590482500292010-06-28T18:01:57.467+01:002010-06-28T18:01:57.467+01:00Hi, we 're Xizihao from Taiwan. It's very ...Hi, we 're Xizihao from Taiwan. It's very delighted to brows your blog relating to tea and the comments about our tea by accident. It's amazing! Knowing your approving our quality of tea is a big encouragement for us. Thank you so much. One of our member will go to Leister for further study for about one year. Hopely, there might be a chance that we can talk about tea if you'd Xizihao Taiwannoreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-34569732017506784502010-05-17T15:14:59.316+01:002010-05-17T15:14:59.316+01:00Dear Shah,
$175 is quite a price! Not one that...Dear Shah,<br /><br /> $175 is quite a price! Not one that I will be paying, I suspect...<br /><br /><br />Toodlepip,<br /><br />HobbesHobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-88203061430591208892010-05-17T15:14:28.755+01:002010-05-17T15:14:28.755+01:00Dear Nicolaus,
A reply from a machine learner! R...Dear Nicolaus,<br /><br />A reply from a machine learner! Remarkable, and very welcome.<br /><br />You refer to the high dimensionality of the problem being of concern, to which I would raise two observations:<br /><br />(i) One could easily imagine extracting 10-20 features based on the chemical data received by an "electronic nose" sensor. Indeed, this is already performed by the Hobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-49321951027462401052010-05-16T21:48:50.600+01:002010-05-16T21:48:50.600+01:00Hey Hobbes, turn your dial over to Yunnan Sourcin...Hey Hobbes, turn your dial over to Yunnan Sourcing and check out those new Hai Lang Haos.<br /><br />A humpin' Yiwu tea king from 2010 for one freakin' hundred effin seventy omg five no way dollars!<br /><br />Man, and I was ranting about the dang Jimgmai from Sanhetang. It's really good, and I think it belongs in the same quality shelf as the other XZH despite the plantation Anonymousnoreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-47580602642767061132010-05-10T22:28:59.440+01:002010-05-10T22:28:59.440+01:00delurking for a sec, as I'm also a machine-lea...delurking for a sec, as I'm also a machine-learner-by-dayjob, tea-drinker-by-offtime<br /><br />This is fun idea but I'm skeptical.<br /><br />* Depending on what categories you're classifying into... your variable space is so huge, you're going to need a LOT of labeled data if you don't want overfitting. Of course, depending on the tea you're gathering data on, this mightNicolaus Motehttps://www.blogger.com/profile/04131563725062484425noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-41442919490951904112010-05-05T09:26:39.231+01:002010-05-05T09:26:39.231+01:00Dear Anonymous,
I have no recollection of these...Dear Anonymous,<br /><br /> I have no recollection of these particular wet leaves, to be honest - I think I was in a hurry to get to work :)<br /><br /><br /> Best wishes,<br /><br /> HobbesHobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-63296324535603832802010-05-05T06:36:02.771+01:002010-05-05T06:36:02.771+01:00Sorry, got called off to put our daughter to sleep...Sorry, got called off to put our daughter to sleep. The last message was sent in a hurry. (I am sure you would understand it literally soon enough. :))<br /><br />I meant: Anything stands out un-usually?<br /><br /> Thanks,<br />AnotherHobbesLoverAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-11311631469250875342010-05-05T05:11:26.256+01:002010-05-05T05:11:26.256+01:00I guess I was not clear. I meant the aroma from th...I guess I was not clear. I meant the aroma from the JingMai spent tea leaves in this particular tasting. What does it tell you? Anything stands out usually?<br /><br /> AnotherHobbesLoverAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-27008933743836761272010-05-04T15:03:05.387+01:002010-05-04T15:03:05.387+01:00Dear Anonymous,
The scent of the used leaves can ...Dear Anonymous,<br /><br />The scent of the used leaves can be indicative of their quality, just as can their scent before use (in a different way). It should be no surprise that the content of the leaf be represented in both its flavour and scent, given the close relationship (and overlap) between the two. Plantation leaves can certainly smell "rough and brown" afterwards, for Hobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-17156053391518200202010-05-04T15:01:09.182+01:002010-05-04T15:01:09.182+01:00Dear Flo,
Thanks for the thoughts.
I think w...Dear Flo,<br /><br /> Thanks for the thoughts.<br /><br /> I think we are very close to being able to make a classifier of the kind that I described - indeed, they already exist, just not trained using tea-based data. <br /><br /> The machines we build currently are not based on perception - we are not aiming to recreate human perception, simply because it cannot be defined. This the Hobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-15865926380496001642010-05-04T14:50:09.566+01:002010-05-04T14:50:09.566+01:00making such a machine would mean we have understoo...making such a machine would mean we have understood all about perception, and that is a big issue.<br /><br />as for limits of machine for processing tasting : when you taste something, you not only go to stored and known references, you do not merely appeal to memory, your perception opens new doors and projects as to read and acquire new "data"/"shapes". it is able to flohttps://www.blogger.com/profile/01316268745250100800noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-12017856918204176922010-05-04T07:57:25.331+01:002010-05-04T07:57:25.331+01:00A long time lurker here. Hi!
I would be intereste...A long time lurker here. Hi!<br /><br />I would be interested in your findings in the aroma from the cool-downed spent tea leaves after the tea has thinned out. What do you make of it?<br /><br /> AnotherHobbesLoverAnonymousnoreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-39860968574522691092010-05-03T21:56:10.656+01:002010-05-03T21:56:10.656+01:00Dear Evan and Oskar,
As a card-carrying Bayesian,...Dear Evan and Oskar,<br /><br />As a card-carrying Bayesian, I would definitely take a Bayesian inference any day, in preference to the dirty Maximum Likelihood frequentists!<br /><br />I've also come across Young's "Clustering Scotch Whiskies using Non-Negative Matrix Factorization", which is more of the same. Automatic whisky classification is an old game, requiring Hobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-56213222216321660142010-05-03T21:47:11.376+01:002010-05-03T21:47:11.376+01:00You may find some inspiration in the following pap...You may find some inspiration in the following paper: David Wishart "The flavour of whisky" Significance Vol.6 Issue 1 Pages 20-26. march 2009.<br />Significance is the "popular scinence" journal of the Royal Statistical Society.<br />He gives some ideas on the classification of whisky using factor anlysis.<br />Greetings from a swedish puerdrinking statistician.oskarhttps://www.blogger.com/profile/13270016266274288706noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-23718943506167396862010-05-03T20:42:49.932+01:002010-05-03T20:42:49.932+01:00Next up: applying Bayes' theorem to detect kno...Next up: applying Bayes' theorem to detect knockoff pu'er.Evan Meagherhttps://www.blogger.com/profile/18202633935528318015noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-17474947839594964472010-05-03T13:34:09.319+01:002010-05-03T13:34:09.319+01:00If there is one thing that I have learned, it is t...If there is one thing that I have learned, it is that the grandiose claims of A.I. from twenty years ago are just that - grandiose claims. Machines are not going to be taking over from doctors, nurses, engine experts, and surgeons any time soon.<br /><br />However, humans cannot be everywhere. You cannot have every patient's vital signs watched 100% of the time by a nurse in a hospital. Hobbeshttps://www.blogger.com/profile/10719619695211038389noreply@blogger.comtag:blogger.com,1999:blog-753589427119541238.post-42535780992083435242010-05-03T13:19:28.278+01:002010-05-03T13:19:28.278+01:00I don't think that kind of thing should be lef...I don't think that kind of thing should be left to machines. The human nose is more sensitive, and different people identify aromas differently. What if the machine identified the aroma as one thing, but then a human identified it as something else?<br /><br />Thus begins accusations of 'poor technology', etc. and so on. And then the supporters of the machine might criticize the humanRuqyo Highsonghttps://www.blogger.com/profile/18210517193033102532noreply@blogger.com