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Tim Erickson

Goodreads Author

Born

in Stanford, CA, The United States

Genre

Nonfiction

Member Since

January 2009

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California boy, grew up in Silicon Valley (this was before silicon); family moved to San Francisco during the summer of love though they were scandalized by it at the time. Tim went south to a small technical school in Pasadena and returned to the Bay Area for graduate school. For most of his professional life he has been a free-lance science and math educator, although he has done stints with the Jet Propulsion Laboratories, Lick-Wilmerding High School, the University of California at Berkeley, and Mills College.

130 posts
Tim Erickson's Blog

Time series without time on an axis

Long ago I promised a post (to come quickly; apparently I lied) about this topic.

If we have time-series data, we typically put time on the horizontal axis. But that’s not the only way to represent something that changes in time. There is an alternative that’s closely related to parametric equations and graphs.

Consider this typical physics-class situation: you have a weight on a spring moving up an

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Tim Erickson’s books

Average rating: 3.94 · 36 ratings · 3 reviews · 41 distinct works

	Get It Together: Math Problems for Groups, Grades 4-12 by Tim Erickson (Goodreads Author), Rose Craig (Illustrator) 4.06 avg rating — 17 ratings — published 2004 — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	United We Solve: 116 Math Problems for Groups, Grades 5-10 3.44 avg rating — 9 ratings — published 1996 — 5 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Desktop Publishing With Microsoft Word on the Macintosh by Tim Erickson (Goodreads Author), William Finzer it was amazing 5.00 avg rating — 2 ratings — published 1989	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Data in depth: Exploring mathematics with Fathom liked it 3.00 avg rating — 1 rating — published 2001 — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Death's Whisper Book 1 liked it 3.00 avg rating — 1 rating — 3 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Death's Whisper Decimare Book 3 liked it 3.00 avg rating — 1 rating	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Death's Whisper Recoil Book 2 liked it 3.00 avg rating — 1 rating	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	The Fathom Guide for The Practice of Statistics 0.00 avg rating — 0 ratings — published 2006 — 2 editions	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Death's Whisper 0.00 avg rating — 0 ratings — published 2002	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
	Thumbs up to state associations: state snowmobile associations and clubs build and maintain our trails. Are you a member?(International Snowmobile ... Association): An article from: Snow Goer 0.00 avg rating — 0 ratings	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars

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Tim rated a book liked it Camino Island (Camino Island, #1) by John Grisham (Goodreads Author)	Error rating book. Refresh and try again. Rate this book Clear rating 1 of 5 stars 2 of 5 stars 3 of 5 stars 4 of 5 stars 5 of 5 stars
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Tim’s Quotes

“I leave a white and turbid wake; pale waters, paler cheeks, where'er I sail. The envious billows sidelong swell to whelm my track; let them; but first I pass.”
― Herman Melville, Moby Dick

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“Seymour once said that all we do our whole lives is go from one little piece of Holy Ground to the next. Is he ever wrong?”
― J.D. Salinger, Raise High the Roof Beam, Carpenters & Seymour: An Introduction

68 likes