IRIS Toolbox Reference Manual
Dates and Date Ranges
Creating IRIS serial date numbers
bb - IRIS serial date number for bimonthly date.
bbtoday - IRIS serial date number for current bi-month.
hh - IRIS serial date number for half-yearly date.
hhtoday - IRIS serial date number for current half-year.
mm - IRIS serial date number for monthly date.
mmtoday - IRIS serial date number for current month.
qq - IRIS serial date number for quarterly date.
qqtoday - IRIS serial date number for current quarter.
ww - IRIS serial date number for weekly date.
wwtoday - IRIS serial date number for current week.
yy - IRIS serial date number for yearly date.
yytoday - IRIS serial date number for current year.
Computing special dates (daily dates only)
datbom - Beginning of month for the specified daily date.
datboq - Beginning of quarter for the specified daily date.
datboy - Beginning of year for the specified daily date.
dateom - End of month for the specified daily date.
dateoq - End of quarter for the specified daily date.
dateoy - End of year for the specified daily date.
Creating date ranges
datrange - Numerically safe way to create a date range.
dat2ttrend - Construct linear time trend from date range.
datxtick - Change ticks, labels and/or date frequency on x-axis in existing tseries graphs.
Converting dates
clp2dat - Convert text in system clipboard to dates.
dat2char - Convert dates to character array.
dat2charlist - Convert dates to a comma-separated list.
dat2clp - Convert dates to text and paste to system clipboard.
dat2dec - Convert dates to decimal grid.
dat2str - Convert IRIS dates to cell array of strings.
dat2ypf - Convert IRIS serial date number to year, period and frequency.
dec2dat - Convert decimal representation of date to IRIS serial date number.
str2dat - Convert strings to IRIS serial date numbers.
Date comparison
datcmp - Compare two IRIS serial date numbers.
datdiff - Number of periods between two dates with check for date frequency.
rngcmp - Compare two IRIS date ranges.
Daily and weekly dates
daysinyear - Number of days in year.
dd - Matlab serial date numbers that can be used to construct daily tseries objects.
ddtoday - Matlab serial date number for today's date.
ww2day - Convert weekly IRIS serial date number to Matlab serial date number.
weeksinyear - Number of weeks in year.
Getting on-line help on date functions
help dates
help dates/function_name
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