Pizza Ratings
NA
Notable topics: NA
Recorded on: 2019-09-30
Timestamps by: Alex Cookson
Screencast
Timestamps
Transforming time into something more readable (from time value of seconds since Unix epoch [1970-01-01] ), then converting it into a date
Formatting x-axis text so that it is rotated and readable, then re-ordering using fct_relevel function so that it is in its proper ordinal order
Converting string answers to integer counterparts to get an overall numeric value for how good each place is
Commentary on speed of mutate calculation within or without a group (non-grouped is slightly faster)
Re-ordering groups by total votes using fct_reorder function, while still maintaining the groups themselves
Using glue package to combine place name and total respondents
Using statistical test to give confidence intervals on average score
Actually using the t.test function with toy example
Using weighted linear model instead (which doesn't end up working)
Using custom function with rep function to get vector of repeated scores (sneaky way of weighting) so that we can perform a proper t-test
Summarizing t-test function into a list (alternative to nesting)
Adding error bars using geom_errorbarh to make a TIE fighter plot that shows confidence intervals
Bringing in additional data from Barstool ratings (to supplement survey of Open R meetup NY)
Getting survey data to the place level so that we can add an additional dataset
Checking for duplicates in the joined data
Calling off the planned analysis due to low sample sizes (too much noise, not enough overlap between datasets)
Looking at Barstool data on its own
Renaming all variables with a certain string pattern in them
Comparing Dave's reviews with all other critics
Adding geom_abline showing x = y as comparison for geom_smooth linear model line
Changing the location of the aes() to change what the legend icons look like for size aesthetic