Displaying 2 results from an estimated 2 matches for "average_r".
Did you mean:
average
2007 Apr 13
0
mixin behavior
...et of summary data. So I
defined a module (messy, I know):
---
module RatingTotals::StoryRatingTotals
def refresh_story_totals(date = Date.new(2007, 1, 1))
# Removed most the code.
ratings = Rating.find(:all,
:select => ''rateable_id, AVG(rating) as
average_rating, COUNT(id) as count '',
:conditions => ["rateable_type = ''story'' AND
created_at >= ? ", date],
:group => ''rateable_id '')
totals = []
ratings.each do |rating|
totals...
2012 Oct 02
0
Error messages when attempting to calculate polychoric correlation matrices using the psych package
...ot;, "V15", "V16",
"V17", "V18"), class = "data.frame", row.names = c(NA, -18L))
I have then used this matrix with the alpha command in psych:
> alpha(pol.matrix)
Reliability analysis
Call: alpha(x = pol.matrix)
raw_alpha std.alpha G6(smc) average_r
0.92 0.92 0.94 0.39
Reliability if an item is dropped:
raw_alpha std.alpha G6(smc) average_r
V1 0.92 0.92 0.94 0.39
V2 0.92 0.92 0.94 0.39
V3 0.91 0.91 0.94 0.38
V4 0.91 0.91 0.94 0.39
V5 0.91...