andrew_gelman_stats andrew_gelman_stats-2012 andrew_gelman_stats-2012-1235 knowledge-graph by maker-knowledge-mining
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Introduction: I want a graph-paper-style notebook, ideally something lightweight—I’m looking to make notes, not art drawings—and not too large. I’m currently using a 17 x 22 cm notebook, which is a fine size. It also has pretty small squares, which I like. My problem with the notebook I have now is that the ink is too heavy—that is, the lines are too dark. I want very faint lines, just visible enough to be used as guides but not so heavy that to be overwhelming. The notebooks I see in the stores all have pretty dark lines. Any suggestions?
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1 I want a graph-paper-style notebook, ideally something lightweight—I’m looking to make notes, not art drawings—and not too large. [sent-1, score-0.526]
2 I’m currently using a 17 x 22 cm notebook, which is a fine size. [sent-2, score-0.439]
3 My problem with the notebook I have now is that the ink is too heavy—that is, the lines are too dark. [sent-4, score-1.062]
4 I want very faint lines, just visible enough to be used as guides but not so heavy that to be overwhelming. [sent-5, score-1.061]
5 The notebooks I see in the stores all have pretty dark lines. [sent-6, score-0.713]
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same-blog 1 1.0000001 1235 andrew gelman stats-2012-03-29-I’m looking for a quadrille notebook with faint lines
Introduction: I want a graph-paper-style notebook, ideally something lightweight—I’m looking to make notes, not art drawings—and not too large. I’m currently using a 17 x 22 cm notebook, which is a fine size. It also has pretty small squares, which I like. My problem with the notebook I have now is that the ink is too heavy—that is, the lines are too dark. I want very faint lines, just visible enough to be used as guides but not so heavy that to be overwhelming. The notebooks I see in the stores all have pretty dark lines. Any suggestions?
2 0.32948834 1716 andrew gelman stats-2013-02-09-iPython Notebook
Introduction: Burak Bayramli writes: I wanted to inform you on iPython Notebook technology – allowing markup, Python code to reside in one document. Someone ported one of your examples from ARM . iPynb file is actually a live document, can be downloaded and reran locally, hence change of code on document means change of images, results. Graphs (as well as text output) which are generated by the code, are placed inside the document automatically. No more referencing image files seperately. For now running notebooks locally require a notebook server, but that part can live “on the cloud” as part of an educational software. Viewers, such as nbviewer.ipython.org, do not even need that much, since all recent results of a notebook are embedded in the notebook itself. A lot of people are excited about this; Also out of nowhere, Alfred P. Sloan Foundation dropped a $1.15 million grant on the developers of ipython which provided some extra energy on the project. Cool. We’ll have to do that ex
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Introduction: Govind Manian writes: I wanted to pass along a fragment from Lichtenberg’s Waste Books — which I am finding to be great stone soup — that reminded me of God is in Every Leaf : To the wise man nothing is great and nothing small…I believe he could write treatises on keyholes that sounded as weighty as a jus naturae and would be just as instructive. As the few adepts in such things well know, universal morality is to be found in little everyday penny-events just as much as in great ones. There is so much goodness and ingenuity in a raindrop that an apothecary wouldn’t let it go for less than half-a-crown… (Notebook B, 33)
4 0.10937723 1785 andrew gelman stats-2013-04-02-So much artistic talent
Introduction: I saw this excellent art show the other day, and it reminded me how much artistic talent is out there. I really have no idea whassup with those all-black canvases and the other stuff you see at modern art museums, given that there’s so much interesting new stuff being created every year. I see a big difference between art made by people who feel they have something they want to say, compared to art being made by people who feel they are supposed to make art because they’re artists. And there’s also the internal logic of art responding to other art, as Tom Wolfe discussed in The Painted Word.
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Introduction: This looks cool: Ten years ago researchers in America took two groups of three-year-olds and showed them a blob of paint on a canvas. Children who were told that the marks were the result of an accidental spillage showed little interest. The others, who had been told that the splodge of colour had been carefully created for them, started to refer to it as “a painting”. Now that experiment . . . has gone on to form part of the foundation of an influential new book that questions the way in which we respond to art. . . . The book, which is subtitled The New Science of Why We Like What We Like, is not an attack on modern or contemporary art and Bloom says fans of more traditional art are not capable of making purely aesthetic judgments either. “I don’t have a strong position about the art itself,” he said this weekend. “But I do have a strong position about why we actually like it.” This sounds fascinating. But I’m skeptical about this part: Humans are incapable of just getti
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Introduction: I want a graph-paper-style notebook, ideally something lightweight—I’m looking to make notes, not art drawings—and not too large. I’m currently using a 17 x 22 cm notebook, which is a fine size. It also has pretty small squares, which I like. My problem with the notebook I have now is that the ink is too heavy—that is, the lines are too dark. I want very faint lines, just visible enough to be used as guides but not so heavy that to be overwhelming. The notebooks I see in the stores all have pretty dark lines. Any suggestions?
2 0.77251053 1478 andrew gelman stats-2012-08-31-Watercolor regression
Introduction: Solomon Hsiang writes: Two small follow-ups based on the discussion (the second/bigger one is to address your comment about the 95% CI edges). 1. I realized that if we plot the confidence intervals as a solid color that fades (eg. using the “fixed ink” scheme from before) we can make sure the regression line also has heightened visual weight where confidence is high by plotting the line white. This makes the contrast (and thus visual weight) between the regression line and the CI highest when the CI is narrow and dark. As the CI fade near the edges, so does the contrast with the regression line. This is a small adjustment, but I like it because it is so simple and it makes the graph much nicer. (see “visually_weighted_fill_reverse” attached). My posted code has been updated to do this automatically. 2. You and your readers didn’t like that the edges of the filled CI were so sharp and arbitrary. But I didn’t like that the contrast between the spaghetti lines and the background
3 0.72248954 1452 andrew gelman stats-2012-08-09-Visually weighting regression displays
Introduction: Solomon Hsiang writes : One of my colleagues suggested that I send you this very short note that I wrote on a new approach for displaying regression result uncertainty (attached). It’s very simple, and I’ve found it effective in one of my papers where I actually use it, but if you have a chance to glance over it and have any ideas for how to sell the approach or make it better, I’d be very interested to hear them. (Also, if you’ve seen that someone else has already made this point, I’d appreciate knowing that too.) Here’s an example: Hsiang writes: In Panel A, our eyes are drawn outward, away from the center of the display and toward the swirling confidence intervals at the edges. But in Panel B, our eyes are attracted to the middle of the regression line, where the high contrast between the line and the background is sharp and visually heavy. By using visual-weighting, we focus our readers’s attention on those portions of the regression that contain the most inform
4 0.7132017 1470 andrew gelman stats-2012-08-26-Graphs showing regression uncertainty: the code!
Introduction: After our discussion of visual displays of regression uncertainty, I asked Solomon Hsiang and Lucas Leeman to send me their code. Both of them replied. Solomon wrote: The matlab and stata functions I wrote, as well as the script that replicates my figures, are all posted on my website . Also, I just added options to the main matlab function (vwregress.m) to make it display the spaghetti plot (similar to what Lucas did, but a simple bootstrap) and the shaded CI that you suggested (see figs below). They’re good suggestions. Personally, I [Hsiang] like the shaded CI better, since I think that all the visual activity in the spaghetti plot is a little distracting and sometimes adds visual weight in places where I wouldn’t want it. But the option is there in case people like it. Solomon then followed up with: I just thought of this small adjustment to your filled CI idea that seems neat. Cartographers like map projections that conserve area. We can do som
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Introduction: Andre de Boer writes: In my profession as a risk manager I encountered this graph: I can’t figure out what kind of regression this is, would you be so kind to enlighten me? The points represent (maturity,yield) of bonds. My reply: That’s a fun problem, reverse-engineering a curve fit! My first guess is lowess, although it seems too flat and asympoty on the right side of the graph to be lowess. Maybe a Gaussian process? Looks too smooth to be a spline. I guess I’ll go with my original guess, on the theory that lowess is the most accessible smoother out there, and if someone fit something much more complicated they’d make more of a big deal about it. On the other hand, if the curve is an automatic output of some software (Excel? Stata?) then it could be just about anything. Does anyone have any ideas?
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Introduction: I want a graph-paper-style notebook, ideally something lightweight—I’m looking to make notes, not art drawings—and not too large. I’m currently using a 17 x 22 cm notebook, which is a fine size. It also has pretty small squares, which I like. My problem with the notebook I have now is that the ink is too heavy—that is, the lines are too dark. I want very faint lines, just visible enough to be used as guides but not so heavy that to be overwhelming. The notebooks I see in the stores all have pretty dark lines. Any suggestions?
2 0.72842622 271 andrew gelman stats-2010-09-12-GLM – exposure
Introduction: Bernard Phiri writes: I am relatively new to glm models, anyhow, I am currently using your book “Data analysis using regression and multilevel/hierarchical models” (pages 109-115). I am using a Poisson GLM model to analyse an aerial census dataset of wild herbivores on a ranch in Kenya. In my analysis I have the following variables: 1. Outcome variable: count of wild herbivores sighted at a given location 2. Explanatory variable1: vegetation type i.e. type of vegetation of the grid in which animals were sighted (the ranch is divided into 1x1km grids) 3. Explanatory variable2: animal species e.g. eland, elephant, zebra etc 4. Exposure: proximity to water i.e. distance (km) to the nearest water point My questions are as follows: 1. Am I correct to include proximity to water point as an offset? I notice that in the example in your book the offset is a count, does this matter? 2. By including proximity to water in the model as an exposure am I correct to interpret th
3 0.71234107 1457 andrew gelman stats-2012-08-13-Retro ethnic slurs
Introduction: From Watership Down: There is a rabbit saying, ‘In the warren, more stories than passages’; and a rabbit can no more refuse to tell a story than an Irishman can refuse to fight. Wow. OK, if someone made a joke about New Yorkers being argumentative or people from Iowa being boring (sorry, Tom!), I wouldn’t see it as being in poor taste. But somehow, to this non-U.K. reader, Adams’s remark about “Irishmen” seems a bit over the top. I’m not criticizing it as offensive, exactly; it just is a bit jarring, and it’s kind of hard for me to believe someone would just write that as a throwaway line anymore. Things have changed a lot since 1971, I guess, or maybe in England an Irish joke is no more offensive/awkward than a joke about corrupt Chicagoans, loopy Californians, or crazy Floridians would be here.
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5 0.64374256 129 andrew gelman stats-2010-07-05-Unrelated to all else
Introduction: Another stereotype is affirmed when I go on the U.K. rail system webpage and it repeatedly times out on me. At one point I have a browser open with the itinerary I’m interested in, and then awhile later I reopen the window (not clicking on anything on the page, just bringing the window up on the screen) but it’s timed out again. P.S. Yes, yes, I know that Amtrak is worse. Still, it’s amusing to see a confirmation that, at least in one respect, the British trains are as bad as they say.
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