In Defence of Liberty

Driven by data; ridden with liberty.

Category Archives: Statistics

How to Read and Report Polls

Reporting on polling is often a difficult task, but people who report on polls have a responsibility to their readers and to their profession. There are critical pieces of information … Continue reading

April 8, 2017

Statistics and Lampposts XXVII: Bivariate Analysis and A&E

As part of their document about pressures on the National Health Service, the Vote Leave campaign have suggested that continuing migration will induce much higher Accident & Emergency attendances [1]. … Continue reading

June 8, 2016

Statistics and Lampposts XXVI: Net Employment

The headline in The Sun claims [1]: Brits just not fair: 4 in 5 British jobs went to foreign nationals last year as number of EU workers doubles. Thursday's Sun … Continue reading

May 25, 2016 · 1 Comment

Statistics and Lampposts XXV: The Perceived Chasm

On May Day’s broadcast of The Andrew Marr Show, Nigel Farage, the leader of the United Kingdom Independence Party (UKIP), was talking to its host about the upcoming local elections … Continue reading

May 3, 2016

Statistics and Lampposts XXIV: Differential Non-Response

Why were the polls wrong? When a Conservative majority became apparent in the early hours of 8th May, most polls showed a much closer race between the new governing party … Continue reading

January 18, 2016 · 1 Comment

Statistics and Lampposts XXIII: Reliability

The publication of reliable statistics and data is vital for the proper evaluation of governments. Over at Left Foot Forward, Kevin Gulliver argues that the Conservatives have delved new depths … Continue reading

January 8, 2016

Statistics and Lampposts XXII: Self-Selection

Self-selecting polls are to be treated with heavy suspicion, precisely because the act of self-selection distinguishes a person from the general population, whether on a particular website or social media … Continue reading

November 30, 2015 · 2 Comments