Wednesday, June 26, 2019

Step line charts

We are excited no announce step line chart support:



Use "Line options" panel to change line style:

Wednesday, May 1, 2019

Canada federal policies and housing/debt crisis timeline

Here is a cheatsheet: how selected federal policies have changed and who was at the helm.



Governor of Bank of Canada:
David Dodge February 1, 2001 – January 31, 2008
Mark Carney 1 February 2008 – 3 June 2013
Stephen Poloz June 3, 2013 - present

CMHC President:
Karen Kinsley 2003-2013
Evan Siddal January 1, 2014 - present

Minister of Finance of Canada:
Ralph Goodale December 11, 2003 – February 6, 2006
Jim Flaherty February 6, 2006 – March 18, 2014
Joe Oliver March 19, 2014 – November 4, 2015
Bill Morneau November 4, 2015 - present

2004-01 Department of Finance CMHC insurance limit raised The Department of Finance raises the aggregate amount of insurance that CMHC can have outstanding to $300 billion from $250 billion.
2006-01 Department of Finance CMHC insurance limit raised The Department of Finance raises the aggregate amount of insurance that CMHC can have outstanding to $350 billion from $300 billion.
2008-03 Department of Finance CMHC insurance limit raised The Department of Finance raises the aggregate amount of insurance that CMHC can have outstanding to $450 billion from $350 billion.
2009-03 Department of Finance CMHC insurance limit raised The Department of Finance raises the aggregate amount of insurance that CMHC can have outstanding to $600 billion from $450 billion.

2006-06 CMHC Expansion of inured mortgages The CMHC announces mortgages with amortizations of up to 30 and 35 years can be insured, as well as interest-only mortgages (for the first 10 years of the mortgage).
2006-11 CMHC Expansion of inured mortgages The CHMC announces mortgages with amortizations up to 40 years can be insured, as well as zero-down payment mortgages.
2008-07 Department of Finance Amortization reduction The maximum amortization period is shortened from 40 years to 35 years.
2011-01 Department of Finance Amortization reduction The maximum amortization period is shortened to 30 years from 35 years on insured mortgages.
2012-01 OSFI Amortization reduction The maximum amortization period is shortened to 25 years from 30 years on insured mortgages.

2010-02 Department of Finance Reduction of insured refinancing The maximum amount for insured refinances is reduced to 90% from 95%.
2011-01 Department of Finance Reduction of insured refinancing The maximum amount for insured refinances is reduced to 85% from 90%.
2012-06 OSFI Reduction of insured refinancing The maximum amount for insured refinances is reduced to 80% from 85%.



Thursday, August 23, 2018

Collaboration scenario: sharing and cloning

Recently, charte.ca feature set got new additions: chart cloning and chart sharing. Cloning is getting an exact copy of a source chart. Sharing is allowing other users to edit your chart.

Consider an example: Bob is working on a chart and wants Alice to help him. Bob opens the chart in the editor, finds "Sharing" panel and clicks "Share with another user" button. He is presented with a popup that displays a URL of the invitation that Bob has to send Alice so she gets access to his chart. Bob presses "Confirm":


Now, "Sharing" panel displays the invitation in the list. If Bob changes his mind, he can cancel this invitation by clicking the "x" button on the right of the invitation:

Monday, May 7, 2018

Javascript ES6 only please

Starting from May 7, 2018, charte.ca charts are not displayed in browsers that do not support major ES6 features. In plain English: Internet Explorer users will not be able to see charts created by charte.ca, Edge users should be fine. Also, the editor now requires ES6 as well (which is not much of a change since the editor requires data uri support and IE and Edge are both lacking it).

Charts have just become 5-10% smaller in size.

Monday, January 29, 2018

charte.ca as an educational resource: motion charts visualizing World Bank data

High school students extract data from the World Bank dataset and create a motion chart that shows the relationship between life expectancy and expenditure on health in different countries. See discussion in Information Technology Teachers' Mailing List:

https://edulists.com.au/pipermail/yr11it/2017-August/003375.html

A set of instructions for Yr11 Information Technology students:

http://www.edulists.com.au/pipermail/yr11it/attachments/20170820/71ebeb96/VisualisingBigDatausingCharte-steps-0001.docx

Thursday, November 30, 2017

Visualizing Google analytics report: motion chart with drilldowns

Below is a motion chart with drilldowns visualizing Google Analytics report for a fictional website. Click and hold on any bubble to see acquisition and conversion details for a specific channel: Direct, Organic Search, Referral, Social.


Why motion charts?


Motion chart allows efficient and interactive exploration and visualization of multi-dimensional data and can make it easier to notice an important trend. Google has done a great job explaining how motion chart can be useful in web analytics and providing a tool for building motion charts based on analytics reports.

Tuesday, November 28, 2017

Interactive charts in online presentations

Earlier this year, we posted a small research on US and Canada immigration patterns. Let's make a simple online presentation from it.

Using slides.com

We will be using slides.com, which is probably the most flexible and powerful online presentation engine these days. We will re-use all charts from our earlier post without modifications - they are already published and ready to be embedded. The presentation is available here:

http://slides.com/chartecaguy/us-canada-demographics#/


A few things worth noting.

1.  All charts are interactive - move mouse pointer over the curves and see.

2. All charts are embedded with style="width:100%" attribute, which makes them scalable: try running the presentation in full-screen mode or resize your browser window - you will see charts changing their sizes accordingly.

A screenshot of the slides.com editor with embedded chart:


Other online presentation tools

Are there any other online presentation tools that support HTML embedding from arbitrary sources? Unfortunately, not many. So far I have come up with this list:

  • Emaze - NO
  • Google Slides - NO
  • Haiku Deck - NO
  • Prezi - NO
  • Slides.com- YES
  • Sway - NO
  • Slidebean - NO
  • Visme - YES