.lines.xts: no visible global function definition for ‘recordPlot’
.lines.xts: no visible global function definition for ‘lines.default’
.lines.xts: no visible global function definition for ‘lines’
Lag.xts: no visible binding for global variable ‘na.pass’
Next.xts: no visible binding for global variable ‘na.pass’
as.ts.xts: no visible global function definition for ‘ts’
as.ts.xts: no visible global function definition for ‘frequency’
as.ts.xts: no visible global function definition for ‘tsp<-’
as.xts.ts: no visible global function definition for ‘frequency’
as.xts.ts: no visible global function definition for ‘tsp’
as.xts.ts: no visible global function definition for ‘time’
as.xts.ts: no visible global function definition for ‘as.yearqtr’
as.xts.ts: no visible global function definition for ‘as.yearmon’
barplot.xts: no visible global function definition for ‘plot.new’
barplot.xts: no visible global function definition for ‘plot.window’
barplot.xts: no visible global function definition for ‘abline’
barplot.xts: no visible global function definition for ‘axis’
barplot.xts: no visible global function definition for ‘axTicks’
barplot.xts: no visible global function definition for ‘rect’
lines.xts: no visible global function definition for ‘lines’
na.restore.xts: no visible global function definition for ‘na.action’
periodicity: no visible global function definition for ‘median’
periodicity.old: no visible global function definition for ‘median’
periodicity.old: no visible global function definition for ‘time’
plot.ohlc.candles: no visible global function definition for ‘segments’
plot.ohlc.candles: no visible global function definition for ‘rect’
plot.xts: no visible global function definition for ‘xy.coords’
plot.xts: no visible global function definition for ‘plot’
plot.xts: no visible global function definition for ‘abline’
plot.xts: no visible global function definition for ‘grid’
plot.xts: no visible global function definition for ‘axis’
plot.xts: no visible global function definition for ‘box’
plot.xts: no visible global function definition for ‘title’
plot.xts: no visible global function definition for ‘recordPlot’
points.xts: no visible global function definition for ‘points’
print.xts: no visible global function definition for ‘str’
rollapply.xts: no visible global function definition for ‘na.fill’
sd.xts: no visible global function definition for ‘sd’
sd.xts: no visible binding for global variable ‘sd’
str.xts: no visible global function definition for ‘str’
Undefined global functions or variables:
  abline as.yearmon as.yearqtr axTicks axis box frequency grid lines
  lines.default median na.action na.fill na.pass plot plot.new
  plot.window points recordPlot rect sd segments str time title ts tsp
  tsp<- xy.coords
Consider adding
  importFrom("grDevices", "recordPlot", "xy.coords")
  importFrom("graphics", "abline", "axTicks", "axis", "box", "grid",
             "lines", "lines.default", "plot", "plot.new", "plot.window",
             "points", "rect", "segments", "title")
  importFrom("stats", "frequency", "median", "na.action", "na.pass",
             "sd", "time", "ts", "tsp", "tsp<-")
  importFrom("utils", "str")
to your NAMESPACE file.