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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