Formula
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How I learned to stop worrying and love the Keurig for baby milk
It was in the drafty lounge, just days after our daughter was born, that the health visitor warned us against buying Tommee Tippee's Perfect Prep. She leant in, conspiratorially, and faux-whispered "between you and me, they're unsafe" with eyes darting left and right as if looking for hidden microphones. A week or two later, a consultant echoed the sentiment, saying "they [sic] claim to have done the research, but won't prove it." That sort of universal condemnation for a baby gadget that promised to revolutionize the way we parent piqued my interest. I just had to try it out for myself.
Researchers out faux product review groups with a lot of math and some help from Google
Ever consulted a crowdsourced review for a product or service before committing your hard-earned funds to the cause? Have you wondered how legit the opinions you read really are? Well, it seems that help is on the way to uncover paid opinion spamming and KIRF reviews. Researchers at the University of Illinois at Chicago have released detailed calculations in the report Spotting Fake Reviewer Groups in Consumer Reviews -- an effort aided by a Google Faculty Research Award. Exactly how does this work, you ask? Using the GSRank (Group Spam Rank) algorithm, behaviors of both individuals and a group as a whole are used to gather data on the suspected spammers. Factors such as content similarity, reviewing products early (to be most effective), ratio of the group size to total reviewers and the number of products the group has been in cahoots on are a few bits of data that go into the analysis. The report states, "Experimental results showed that GSRank significantly outperformed the state-of-the-art supervised classification, regression, and learning to rank algorithms." Here's to hoping this research gets wrapped into a nice software application, but for now, review mods may want to brush up on their advanced math skills. If you're curious about the full explanation, hit the source link for the full-text PDF.
Rovio announces Angry Birds Space, coming March 22
Just when you thought they were finally done -- they're coming back again. Rovio has announced that it will be releasing Angry Birds Space, and unfortunately, all we know about it, per the strange teaser trailer below, is that it'll be out on March 22. Presumably, this is just another iteration on the Angry Birds formula, albeit one that will likely play with gravity and maybe a few other space-related mechanics as well. There's also an official website for the just-announced title, but it's not any more informative than the trailer was. Given the enormous popularity of Angry Birds on iOS and other mobile platforms, it's not hard to predict that this will be yet another enormous hit for Rovio. Still, aren't we at all tired of the Angry Birds phenomenon yet? This will be the fourth spinoff for the game -- hopefully this one will show a little more innovation and growth than Angry Birds Rio, Seasons, or Magic.
GDC Online 2011: KingsIsle's Sara Jensen Schubert talks RPG math
I'm sure many of us have wondered how game developers decide upon item stats, experience amounts, damage per second, and all of the other numbers that we come across in our favorite games. Actually, it might sound more like, "Why the heck is my uber sword of uberness only doing X amount of damage?!" At GDC Online this week, Sara Jensen Schubert gave a rare glimpse into the math behind MMORPGs. She has worked on games like Shadowbane and DC Universe Online and is now a lead designer at KingsIsle Entertainment. Her background and focus is a traditional RPG viewpoint, and she builds from there to go through the process of designing and building stats, character attributes, experience rewards, the leveling curve, and itemization. While her talk is aimed at those in the industry, it offers a unique perspective into what goes into those stats behind our gear and why it takes us so long to level up. Read on for highlights from the presentation.
Cube made of 512 LEDs does 3D with calculus, not glasses (video)
No goofy active shutter glasses, no headache-inducing parallax barrier screens, no optical trickery here. This is a pure 3D display -- unfortunately done at a resolution of just 8 x 8 x 8. It's a hand-built LED cube created by Nick Schulze, powered by Arduino, and driven largely by Matlab. Yes, Matlab, an application you probably deleted less than three minutes after signing off on your calculus final. We can't help you find that installation disc again, but we can encourage you to enjoy the video of this 3D matrix of blinkenlights after the break, and you can get the full details on how to build your own at the other end of that source link.
Former Titan Quest devs announce Grim Dawn
Crate Entertainment is a company made up of the old Iron Lore team that worked on Titan Quest, arguably the most popular of the Diablo clones to come out in the past few years. Crate has finally announced its latest project, and it's Grim Dawn, another action RPG (it even namedrops Diablo in the description) set in the world of Cairn, where two forces have "decimated human civiliation" and are "warping the very fabric of reality." Sounds appropriately epic, though as long as there's plenty of loot, we're not too bothered. Five classes? Check. Skill trees? Check. A crafting system and co-op multiplayer? Check and check. Considering that even the same Titan Quest engine and toolset are being used, Grim Dawn doesn't sound too far off the hack-and-slash loot-hunting reservation. But that's not a bad thing -- we'll have to see if it plans to mix up the tried-and-true formula as it moves toward a planned digital release in 2011.
Anglers get enchanted in patch 3.3
The fine folks from El's Extreme Anglin' were able to fish up this new enchant from the depths of patch 3.3. If you want to have a better chance at winning the Kalu'ak Fishing Derby, you'll want to get your hands (or gloves) on this Formula: Enchant Gloves - Angler. The recipe is a bind-on-pickup item that drops off the Indu'le Fishermen, Mystics, and Warriors who wander around Lake Indu'le in Dragonblight, so enchanters angling to get this might want to put some restless souls to rest. The formula requires 375 Enchanting skill in order to learn. This new formula finally allows fishermen to overwrite those gloves enchanted with the tested (but tired) Formula: Enchant Gloves - Fishing and pump up their maximum fishing skill just a little bit more. The enchant requires 1 Infinite Dust and 3 Ethereal Oil, an alchemical solution derived from Glassfin Minnows. This puts the enchanting bonus up to par with most passive fishing bonuses. Enchanted gloves previously conferred the lowest bonus compared to those in other slots. Patch 3.3 is the last major patch of Wrath of the Lich King. With the new Icecrown Citadel 5-man dungeons and 10/25-man raid arriving soon, patch 3.3 will deal the final blow to Arthas. WoW.com's Guide to Patch 3.3 will keep you updated with all the latest patch news.
The Care and Feeding of Warriors: The strange case of rage generation in 3.1
Since 3.1, DPS warriors (including myself) have been complaining about a lack of rage. To the point where Ghostcrawler himself chimed in recently (in a discussion of the nerf to Titan's Grip and the effect it had on warrior DPS) to inform us that the claim that warrior rage generation was hurt by the changes was a myth created by warriors upset with the nerf. Now we have the following post by Landsoul. I freely admit this is the kind of math that makes my eyes cross and roll up into my head. But Landsoul's well known as a contributor to the EJ forums and frankly, his math-fu's good enough for me. (I should also mention Hellord, the original poster who saw things were hinky.) What this means is, while it's very possible that yes, the developers took Titan's Grip's decreased damage into account when they were making the changes, there was somehow another change made that cost warriors some rage generation. 25% of it, to be precise.Bornakk posts later in the thread that they'll take a look "as we didn't make any intended changes recently to rage generation". So the good news is, for warriors, if this change did happen (and again, I'd tend to trust the math from the people behind the best warrior spreadsheets) then it wasn't a deliberate loss of 25% of our rage generation.
iTunes gift cards cracked
This seems like bad news for Apple, to say the least. A few Chinese websites are now selling $200 gift certficates to iTunes for less than a few bucks, which means that it's likely hackers have figured out the algorithm to determine gift codes on Apple's music store. As with most online codes, iTunes gift certificate numbers are generated by a formula somewhere -- figure out the formula, and you can generate your own codes (though it's of course tough to do and highly illegal).The good news is that this might be an easy fix for Apple: they'll just have to re-figure the formula. The tougher thing to do will be to determine which of the old codes to honor -- they'll want to make sure to approve all of the cards on the shelves at Best Buy right now, while still trying to catch all of the illegal codes generated by hackers.But then again, we're talking about a digital store that's already making cash hand over fist. Maybe even if one hacker on a shady website has figured out how to generate iTunes codes, Apple isn't too concerned about losing a few thousand dollars when they're still selling millions of dollars worth of music and content legitimately.
Insider Trader: Faction recipes for enchanters
Insider Trader is your inside line on making, selling, buying and using player-made products.Last week we took a look at some of the more popular and requested enchants and how to get them for yourself. I also promised that I'd continue the faction recipe series by taking a look at enchanting for this week. So far, I've talked about the following professions and which factions hold appropriate recipes: Designs for jewelcrafters part one, and part two. Plans for blacksmiths. Recipes for alchemists. Patterns for leatherworkers. Patterns for tailors. Here is a complete list of the factions to which any enchanter should "suck up" and how far you'll need to take it: Shattered Sun Offensive, honored. Consortium, revered. Cenarion Expedition, exalted. Thrallmar/Honor Hold, exalted. Keepers of Time, exalted. Lower City, exalted. Sha'tar, exalted. Violet Eye, exalted.
An analysis of the quest formulae in MMOs
Michael Fiegel, a gent who formerly worked on the late, lamented Gods and Heroes, has up an article in the Escapist magazine this week. He's turned his talent on a piece comparing the epic tales of yore with modern quests in Massively Multiplayer online games. From the shortest kill or collection quest in World of Warcraft all the way up to the Odyssey or Illiad, he argues that they all outline a formula. Fiegel examines this formula, noting the basic structure, the outline that every quest has. In his conclusion, he notes that ultimately these formula, this storytelling shorthand, is done for our benefit. As 'once upon a time' puts the audience in the right frame of mind for a fairlytale, dwarves, elves, and mages are all hallmarks of the familiar modern fantasy.It's interesting to think of the possibility that this might work in reverse someday in the future. Perhaps the 'you are the hero' nature of online gaming will one day influence the nature of storytelling?
Time requirements for Hunter pet loyalty gain
Even more news about pet loyalty from Mania for Hunters everywhere. She's been sitting with a stopwatch and a pen and paper and figuring out exactly how long it takes to become Best Friends with that Ravager you just tamed, and the results (so far) are above.Basically, to gain a loyalty level, your pet needs to, no matter what, gain at least 5% of the XP you, the Hunter, needs for your next level. This is required even if your pet is your level (which means they aren't actually gaining the XP). But there's also a time component on every loyalty level past Unruly. For example, to get to level 4 from level 5, you not only need the experience gain, but an hour must pass. This, as Mania says, is why sometimes your pet will ding loyalty while you're standing around in town-- you've gained the experience, but the time has to pass as well.She's not done yet-- she needs (or someone with some time on their hands could do it as well-- Mania's going through a move lately) to check out if the experience stays the same all the way to 70, or if it increases at the higher levels. She also didn't try this keeping the pet anything other than happy, so the numbers may change if the pet isn't at full happiness. And she didn't explore, at all, what happens when the pet loses loyalty-- if your pet has dropped a level of loyalty, it may be a completely different formula to regain it.But great work so far, and this is more than enough to give any Hunter a clear idea of how loyalty works in most cases.
Computers to make the call on your life or death dilemma?
If there's one thing we're a tad skeptical of, it's a piece of silicon making a decision that will ultimately decide whether we live or perish, but bioethicist David Wendler of the National Institutes of Health in Bethesda, Maryland, suggests that the unbiased computer may actually be a more reasonable decision maker than your frantic family members. For those forward-thinkers out there who've already completed your advance directive, you have no worries should you become incapacitated, but for those who will end up relying on relatives to make treatment decisions for you, check these statistics. In a recent study of 16 scenarios where the patient lost the ability to make their own call, surrogates only matched their wishes "68-percent of the time," pushing the researcher to devise a formula to hopefully remove the second guessing and eventually "predict patient's wishes to an accuracy of 90-percent." Of course, critics argue that a machine can't make ethical / unethical decisions, but regardless of waiting around to see if this miracle solution actually reads your braindead mind, we'd recommend penning your future wishes right about now to avoid such quandaries.
Sniffer algorithm leads robots to faint, faraway scents
Although having the boys in blue tracking you down based on your unique aroma fingerprints might seem frightening, just envision the terror that would ensue if an ultra-keen robot was onto your trail from miles away. Massimo Vergassola and and colleagues at the Pasteur Institute in Paris, France, have created an algorithm that can actually instruct a robot "how to move in order to gather as much olfactory information as possible." The mathematical formula allows a machine to home in on "even the faintest of scents" by analyzing which direction the smell is getting weaker or stronger in, the frequency of the whiffs, and eventually, it could even take into account disturbances such as wind gusts. After trialing the algorithm on computer-based robotic models searching for a scent, he found that the theoretical guinea pigs moved in "S-like patterns" to sniff things out, which is quite similar to the method used by moths (renowned for their sense of smell) when trying to discover the source of an odor. Researchers state that implementing the technique into an actual robot would be fairly "straightforward," and could also be used for other tasks that involve "searching with limited information" -- or alternatively, on bots who are already trained to chase down foes.
