R version 3.5.0 (2018-04-23) -- "Joy in Playing"
Platform: x86_64-pc-linux-gnu (64-bit)

options(digits=3)

itemInfo <- structure(list("aaa" = c(1.39633732316667, 1.32598263816667,  
1.11658324066667, 1.23651072616667, 1.05368679983333, 1.03100737383333,  
0.9630728395, 0.7483865045, 0.620086646166667, 0.5411017985,  
0.496397607833333, 0.459528044666667, 0.427877047833333, 0.402085979666667,  
0.283161181233333, 0.236896277233333), "bbb" = c(6.22533860696667,  
5.229736804, 4.94816041772833, 4.17020503255333, 4.00453781427167,  
3.56058007398333, 3.0125202404, 2.23782358733333, 2.14863910661167,  
1.90460903044777, 1.62001089796667, 1.56341257968151, 1.23618558850667,  
1.10086688908262, 0.661981500639833, 0.47397754310745), "ccc" = c(0.5165911355, 
 0.462204707666667, NA, 0.219635924333333, 0.441863780833333,  
0.361502865833333, NA, 0.596137946666667, NA, 0.226984771566667,  NA, 
0.360922661583333, 0.2145347068, 0.287756249483333, NA, NA ), "ddd" = 
c(5.77538400186667,  5.115877113, NA, 4.71294520316667, 4.25952652129833, 
3.68879921863167,  NA, 2.01942456211145, NA, 2.02032557108, NA, 
1.3818108759571,  1.80436759778167, 1.20789851993367, NA, NA), "eee" = 
c(2.49725347166667,  -2.67340172316667, NA, 5.64195206333333, 2.07633555233333, 
2.548949539,  NA, 0.465537272243167, NA, 2.34255027516667, NA, 0.5400824922975, 
 2.1935000655, 0.890007976866667, NA, NA)), row.names = c("skill",  "predict", 
"waiting", "complex", "novelty", "creative", "evaluated",  "body", "control", 
"stakes", "spont", "chatter", "present", "reward",  "feedback", "goal"), class 
= "data.frame")

itemInfo  # examine column ddd

When I try this, column ddd has 1 fewer digits than expected. See the 
attached screenshot.

Why don't all the columns have the same number of digits displayed?

-- 
Joshua N. Pritikin, Ph.D.
Virginia Institute for Psychiatric and Behavioral Genetics
Virginia Commonwealth University
PO Box 980126
800 E Leigh St, Biotech One, Suite 1-133
Richmond, VA 23219
http://exuberant-island.surge.sh
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