What does it mean the asterisk next to some item names in the descriptive statistics table given by describe function (package psych) in R ?
windward
fortran77
glyph
dtw
recode
updates
dllhost
mtproto
itunes-store
ls-remote
moment-range
azure-static-web-app
simplex-algorithm
code-separation
union-find
background-subtraction
jsonlines
audio-converter
spring-multirabbit
ionic2
sap-smart-forms
noborder
jquery-knob
interfacing
shell-exec
powergui
google-sheets-importxml
passenger
front-end-optimization
math
