Logistic Regression?
John Bament
I tried to do a logistic regression to the data below (Year and High Jump Height) originally on the TI84 - it didn't work and gave a domain error message. I then used the Nspire and it didn't work with d=0, but did work for d not=0.
However, when I got rid of the first two pieces of data (1932 and 1936) it worked on all calculators.
Is it because the data "kicks" at the start?
Any advice/comments?
1932 197
1936 203
1948 198
1952 204
1956 212
1960 216
1964 218
1968 224
1972 223
1976 225
1980 236
Regards John
John Hanna
data!
I saw some data on the swine flu when it was raging. See attached... follow
the instructions on the Notes page. Interesting that the regression fails at
first but when you change one point the regression graph appears.
All the best,
John Hanna
jeh...@optonline.net
www.johnhanna.us
T3 - Teachers Teaching with Technology
"the future isn't what it used to be."
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John Hanna
When expected value is positive, it pays to play!
BTW… I let my TI-Nspire pick my numbers (after first seeding with my lucky number, of course!)
And… it doesn’t matter how many people are playing, unlike those 50-50’s at church functions.
Good luck,
John Hanna
Still… didn’t win.
John Hanna
T3 - Teachers Teaching with Technology
"the future isn't what it used to be."
James Angel
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Ray Fox
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