Rmd's have different default options

[tomjemmett]

The reports 1-3, 10 & 11 have echo = FALSE, whereas 4-9 have echo = TRUE. This could be confusing for development, so we should look to standardise this across all files.

[zx8754]

Do we want them all FALSE or TRUE?

[Lextuga007]

I'm not sure which way is best - FALSE or TRUE. I wrote the slides according to the majority chunk setting so if the slides had majority code echoed then the global was set to TRUE.