Business Dashboards and Communication
Philosophy of language Paul Grice was a famous English scholar, best known for his innovative work in philosophy of language, linguistics and artificial intelligence. Grice’s concept of speaker’s meaning was an ingenious refinement of the crude idea that communication is a matter of intentionally affecting another person’s psychological states. He discovered that there is a distinctive, rational means by which the effect is achieved: by way of getting one’s audience to...
Read More![[CRO] VL danas – nova greška u grafu](http://www.qualia.hr/wp-content/uploads/2013/01/VL-chartjunk-line-graph-191x191.png "[CRO] VL danas – nova greška u grafu")
[CRO] VL danas – nova greška u grafu
Danas smo u VL mogli čitati uglavnom o zdravstvenom odgoju i pripadajućim komentarima. Ipak, ono što mi je zapelo za oko, a primjereno je za ovaj blog, jest grafički prikaz povjerenja građana strankama u Hrvatskoj: Prije svega, graf nije loš po mnogo stvari. Kao kategorijska os izabrano je vrijeme, graf prikazuje trend tako da je linijski graf najprimjereniji ovdje. Dizajnerske zamjerke kreću se oko nepotrebnih iscrtkanih linija koje samo dodaju na “gužvi” na grafu, a ne...
Read More![[CRO] BusinessQ Scatter Plot – korelacije u mjerama](http://www.qualia.hr/wp-content/uploads/2013/01/businessq-scatter-plot-example-2-191x191.png "[CRO] BusinessQ Scatter Plot – korelacije u mjerama")
[CRO] BusinessQ Scatter Plot – korelacije u mjerama
Za kraj Q1 ove godine BusinessQ će doživjeti novu verziju. U njoj će se nalaziti mnoga poboljšanja, ubrzavanja algoritama, ali i potpuno nove funkcionalnosti i opcije vizualizacije podataka. Jedna od njih je i ScatterPlot. Ovaj tip grafa služi da se na vrlo brz način uoče eventualne korelacije među brojčanim podacima (mjerama, metrikama). O čemu se radi? Tradicionalni grafovi u pravilu prikazuju neke kategorije (Dimenzije, poput Artikli, Kupci, Mjeseci) i pripadajuće vrijednosti...
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How to Lie with Charts – part 2
There is an interesting project going on – A Farce with numbers. Organizer asked students to locate resources that showed how graphs and charts can mislead. What is (I think) very educational is that he also asked them to look at color theory, word-image association, juxtaposition, and other aesthetic methods of influencing meaning and interpretation. Unlike Forbes’ graph makeover contest in which I also participated here , thihs assignment is different and very...
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Forbes : Graph Makeover Contest
Naomi Robbins on Forbes.com presented a graph and a table and asked readers to present alternatives. I choose to improve this graph: The main reason is because there are far better ways to display this kind of information. I present 2 alternatives: 1) first of which is better to present part-in-the whole percentages of social media and quick comparison for b2b and b2c companies : (you can easily ask yourself – where did LinkedIn vanish for b2c?) 1) second of which is better to...
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Data viz challenge: How Teens Research
Yesterday I stumbled upon an article on storytellingwithdata.com. I quote the author: “I was surprised reading this article how many stats were included and yet how few visuals. Only one graph, in fact: My challenge to you is this: read the article and determine what data you find most interesting then visualize it. You can remake the above graph, or focus on bringing life to numbers included in the report by making them visual. ” So I decided to look at the article and...
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Secrets of good and valid report design
Creating a nice looking, but valid report in the sense that it communicate business information with elegance and accuracy is not always an easy task. The most important stuff is, of course, the data. It should be represented with the help of several visual design principles. They should present information to the readers in a manner that highlights what is most important. Every set of numbers has a message buried within, and it is task of report designer to present that message. But in this...
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When to use Bar, Line or Area graph and Why?
Report builders are often in situation that they are presented with data about products revenue like : Then they are asked to visualize that data graphically in their report. Unfortunatelly, they will also very often try to do that in unappropriate way, with Pie charts. Edward Tufte in “The Visual Display of Quantitative Information” wrote that the only worse design than a pie chart is several of them, for then the viewer is asked to compare quantities located in spatial...
Read More![[CRO] VL – nova loša vizualizacija](http://www.qualia.hr/wp-content/uploads/2012/10/vl_blog1-191x191.png "[CRO] VL – nova loša vizualizacija")
[CRO] VL – nova loša vizualizacija
Jutros smo u Večernjem Listu mogli čitati o podignutim kreditima u posljednje vrijeme za autoceste u Hrvatskoj. Kao prilog tekstu nalazi se i grafički prikaz koji bi čitatelju trebao približiti brojčane informacije: Na žalost, za razliku od nekoliko prethodnih grafičkih prikaza koje sam pratio, ovaj neslavno pada na osnovnom zadatku – informiranju. Razloga je nekoliko. Prije svega, upotreba deblje zelene linije za vrijednost kredita, a zatim tanje za neku drugu mjeru nije loša...
Read More![[CRO] Dešava se i (?) najboljima : Pie Chart Junk](http://www.qualia.hr/wp-content/uploads/2012/10/BO-pie-191x191.png "[CRO] Dešava se i (?) najboljima : Pie Chart Junk")
[CRO] Dešava se i (?) najboljima : Pie Chart Junk
Danas sam ponovno, sasvim slučajno, naišao na katastrofalan primjer upotrebe pita grafa (pie chart) i ne mogu odoljeti spomenuti ga. 1) Loša je stvar što pita graf nije najbolji način vizualizacije podataka za prikaz udjela u cijelom. Bar graf je puno transparentniji i bolji (već smo pisali kako ljudski um ne razlikuje dobro 2D površine u smislu usporedbe veličine). 2) Lošija je stvar što ova pita, koje je i sama neadekvatna, ima nekoliko dizajnerskih problema;...
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