When producing and using models, poor data can lead to additional time and increased difficulty when quality assuring the model inputs. This difficulty is compounded by a lack of data standards across government which means there are inconsistent ways of recording the same information.40 When dealing with new situations, such as the rapidly changing pandemic, the Analysis Function told us that Government needs to be fast and agile at sharing data.41 The NAO’s survey showed differences in how satisfied chief analysts were with evaluation support from the centre of government and revealed they were least satisfied with support for sharing data.42 The integrated data service, launched in October 2021, aims to help departments better share and access data.43 34 C&AG’s Report, Financial modelling in government, para 9 35 Q 62 36 C&AG’s Report, Financial modelling in government, para 2.9 37 C&AG’s Report, Challenges in using data across government, Session 2017–19, HC 2220, June 2019 38 Committee of Public Accounts, Covid 19: supporting the vulnerable during lockdown, 53rd Report of Session 2019–21, HC 938, April 2021; Committee of Public Accounts, Tackling the tax gap, 20th Report of Session 2019–21, HC 650, October 2020; Committee of Public Accounts, Gambling regulation: problem gambling and protecting vulnerable people, 7th Report of Session 2019–21, HC 134, June 2020; Committee of Public Accounts, COVID-19: housing people sleeping rough, 49th Report of Session 2019–21, HC 934, March 2021; Committee of Public Accounts, Fraud and error, 9th Report of Session 2021–22, HC 253, June 2021 39 Committee of Public Accounts, Challenges in using data across government, 118th Report of Session 2017–19, HC 2492, September 2019 40 Q 45; C&AG’s Report, Financial modelling in government, paras 2.9–2.9 41 Qq 40, 65 42 C&AG’s Report, Evaluating government spending, para 18 43 Q45; C&AG’s Report, Evaluating government spending, paras 18, 3.28 12 Use of evaluation and modelling in govern