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Date: 21 Sep 2007 11:23:57
From: joseph.santaniello@gmail.com
Subject: Pointless ITT analysis
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Hi All, Here are 2 graphs showing speed and HR for two cyclists on a 10km TT on regular road bikes. The out and back course is more or less flat. The turn around is higher than the start/finish. http://arbitrary.org/tt_1.gif http://arbitrary.org/tt_2.jpg What can be deduced about the riders based on this info alone? Joseph
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Date: 22 Sep 2007 23:46:51
From: joseph.santaniello@gmail.com
Subject: Re: Pointless ITT analysis
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On Sep 23, 3:22 am, Dan Connelly <d_j_c_o_n_n_e_l@y_a_h_o_o_._c_o_m > wrote: > Ryan Cousineau wrote: > > In article <1190399037.435056.238...@k79g2000hse.googlegroups.com>, > >>http://arbitrary.org/tt_1.gif > > >>http://arbitrary.org/tt_2.jpg > > >> What can be deduced about the riders based on this info alone? > > >> Joseph > > > Rider 2 had to buy the post-race beers, but probably doesn't care > > because he didn't have to use frigging Windows to graph his Polar data. > > > Rider 2 has eccentrically chosen to use HR gridlines spaced at 6.5 bpm > > intervals. What, is that a conversion from Imperial heartbeats? > > Rider 2 also exhibits poor judgment in encoding plots using JPEG. I wouldn't trust him. > > Dan I think you guys are on to something here! ;-) Joseph
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Date: 22 Sep 2007 20:07:08
From: bjw@mambo.ucolick.org
Subject: Re: Pointless ITT analysis
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On Sep 21, 2:59 pm, rechungREMOVET...@gmail.com wrote: > On Sep 21, 11:39 am, Dan Connelly <d_j_c_o_n_n_e_l@y_a_h_o_o_._c_o_m> > wrote: > > > > What can be deduced about the riders based on this info alone? > > > Rider 2 is heavier? > > Taller, too. Rider 1 is faster. Ben RBR Data Mining Specialist
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Date: 23 Sep 2007 07:20:23
From: William Asher
Subject: Re: Pointless ITT analysis
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"bjw@mambo.ucolick.org" <bjw@mambo.ucolick.org > wrote in news:1190491628.710647.197770@d55g2000hsg.googlegroups.com: > On Sep 21, 2:59 pm, rechungREMOVET...@gmail.com wrote: >> On Sep 21, 11:39 am, Dan Connelly <d_j_c_o_n_n_e_l@y_a_h_o_o_._c_o_m> >> wrote: >> >> > > What can be deduced about the riders based on this info alone? >> >> > Rider 2 is heavier? >> >> Taller, too. > > Rider 1 is faster. So then Rider 1 is the doper? -- Bill Asher
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Date: 22 Sep 2007 12:59:33
From:
Subject: Re: Pointless ITT analysis
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joseph.santaniello wrote: > rechung wrote: > > > Dan Connelly wrote: > > > > > What can be deduced about the riders based on this info alone? > > > > Rider 2 is heavier? > > > Taller, too. > > What makes you say that? As Dan pointed out, outbound-inbound difference suggests rider 2 is heavier. However, higher inbound speed also suggests better watts/ meter^2, which scales less than linearly with height.
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Date: 22 Sep 2007 10:44:23
From: joseph.santaniello@gmail.com
Subject: Re: Pointless ITT analysis
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On Sep 21, 11:59 pm, rechungREMOVET...@gmail.com wrote: > On Sep 21, 11:39 am, Dan Connelly <d_j_c_o_n_n_e_l@y_a_h_o_o_._c_o_m> > wrote: > > > > What can be deduced about the riders based on this info alone? > > > Rider 2 is heavier? > > Taller, too. What makes you say that? Joseph
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Date: 22 Sep 2007 01:24:40
From: Ryan Cousineau
Subject: Re: Pointless ITT analysis
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In article <1190399037.435056.238250@k79g2000hse.googlegroups.com >, "joseph.santaniello@gmail.com" <joseph.santaniello@gmail.com > wrote: > Hi All, > > Here are 2 graphs showing speed and HR for two cyclists on a 10km TT > on regular road bikes. The out and back course is more or less flat. > The turn around is higher than the start/finish. > > http://arbitrary.org/tt_1.gif > > http://arbitrary.org/tt_2.jpg > > What can be deduced about the riders based on this info alone? > > Joseph Rider 2 had to buy the post-race beers, but probably doesn't care because he didn't have to use frigging Windows to graph his Polar data. Rider 2 has eccentrically chosen to use HR gridlines spaced at 6.5 bpm intervals. What, is that a conversion from Imperial heartbeats? -- Ryan Cousineau rcousine@sfu.ca http://www.wiredcola.com/ "I don't want kids who are thinking about going into mathematics to think that they have to take drugs to succeed." -Paul Erdos
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Date: 22 Sep 2007 18:22:54
From: Dan Connelly
Subject: Re: Pointless ITT analysis
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Ryan Cousineau wrote: > In article <1190399037.435056.238250@k79g2000hse.googlegroups.com>, >> http://arbitrary.org/tt_1.gif >> >> http://arbitrary.org/tt_2.jpg >> >> What can be deduced about the riders based on this info alone? >> >> Joseph > > Rider 2 had to buy the post-race beers, but probably doesn't care > because he didn't have to use frigging Windows to graph his Polar data. > > Rider 2 has eccentrically chosen to use HR gridlines spaced at 6.5 bpm > intervals. What, is that a conversion from Imperial heartbeats? > Rider 2 also exhibits poor judgment in encoding plots using JPEG. I wouldn't trust him. Dan
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Date: 21 Sep 2007 14:59:27
From:
Subject: Re: Pointless ITT analysis
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On Sep 21, 11:39 am, Dan Connelly <d_j_c_o_n_n_e_l@y_a_h_o_o_._c_o_m > wrote: > > What can be deduced about the riders based on this info alone? > > Rider 2 is heavier? Taller, too.
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Date: 21 Sep 2007 22:53:51
From: Donald Munro
Subject: Re: Pointless ITT analysis
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joseph.santaniello@gmail.com wrote: > Hi All, > > Here are 2 graphs showing speed and HR for two cyclists on a 10km TT > on regular road bikes. The out and back course is more or less flat. > The turn around is higher than the start/finish. > > http://arbitrary.org/tt_1.gif > > http://arbitrary.org/tt_2.jpg > > What can be deduced about the riders based on this info alone? Dumbass, The students here are all dumbasses and can only answer multiple choice questions. Please rephrase.
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Date: 21 Sep 2007 18:39:23
From: Dan Connelly
Subject: Re: Pointless ITT analysis
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joseph.santaniello@gmail.com wrote: > Hi All, > > Here are 2 graphs showing speed and HR for two cyclists on a 10km TT > on regular road bikes. The out and back course is more or less flat. > The turn around is higher than the start/finish. > > http://arbitrary.org/tt_1.gif > > http://arbitrary.org/tt_2.jpg > > What can be deduced about the riders based on this info alone? > > Joseph > Rider 2 is heavier? Dan
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Date: 21 Sep 2007 13:04:58
From: Geraard Spergen
Subject: Re: Pointless ITT analysis
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Dan Connelly wrote: > joseph.santaniello@gmail.com wrote: >> Hi All, >> >> Here are 2 graphs showing speed and HR for two cyclists on a 10km TT >> on regular road bikes. The out and back course is more or less flat. >> The turn around is higher than the start/finish. >> >> http://arbitrary.org/tt_1.gif >> >> http://arbitrary.org/tt_2.jpg >> >> What can be deduced about the riders based on this info alone? >> >> Joseph >> > > Rider 2 is heavier? > > Dan Heart rate at the end of a 10km max effort is sometimes cited as a good estimate of MHR. The two riders would therefore have close to the same MHR as each other.
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