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- RPN.BAS
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- This basic program emulates a reverse-polish notation calculator
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- such as the Hewlett-Packard Series of calculators. All possible
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- functions have not been programmed-in, only the simplest ones have
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- been entered. Room for additional functions has been left for
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- customization by the user since the available meaningful letters
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- on the keyboard is rapidly used up.
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- RANDNORM.BAS
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- This program calculates 10,000 random normal variates (mean 0 and stan-
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- dard deviation) and checks them. It uses the random number generator
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- in IBM BASIC (uniform distribution), which at times seems less uniform
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- than desirable. I have not checked the BASIC random generator.
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- The function is used in the SUBROUTINE below.
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- RNDN.BAS
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- This uses the function above but is in the form of a subroutine.
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- RANDOM.BAS
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- This program provides random numbers from 1 to the number the users
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- provides. Options for with or without replacement are provided.
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- Again, the BASIC generator seems a bit non-random, but seems to work
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- better when a seed is provided.
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- RANDOM10.BAS
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- Another integer random number provider... this gives 10 numbers at a
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- time... better for BINGO?
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- JDATE.BAS
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- This program converts the date (mm/dd/yy) or (mm-dd-yy) to a consecutive
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- numerical date starting with January 1 as number 1. Useful for plotting
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- up data on an X-Y plot, etc.
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- PDATE.BAS
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- This program does the reverse of the above... converts consecutive date
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- (also known as JULIAN date) to (mm-dd-yy).
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- REGRESS.BAS
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- A simple regression subroutine that provides options for other simple
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- statistics as well.
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- SUNRISE.BAS
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- If you want to know about when the sun will rise next month or today,
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- this program figures it for you. It does not correct for mountains or
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- slopes, so for any particular point on the earth, it can be a few minutes
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- off. It also does not account for differences in longitude. It assumes
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- that you live in the center of your time zone.
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- DRIFT.BAS
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- This is a simple genetics program that demonstrates one problem associated
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- with small inbred populations... by sheer chance, genes can be eliminated
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- and the population can become uniform (homozygous) with respect to a single
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- gene. The implication is that non-adaptive, characteristics can dominate
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- the population by chance alone. Not too useful a program if you don't
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- care about small, inbred populations.
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- ACCORMAT.BAS
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- For the statistical at heart, this program takes a set of variables and
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- creates a correlation matrix. For large datasets, it really should be
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- compiled to save time.
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- AALC.BAS
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- To take the correlation matrix one step further, this program uses the
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- matrix to create an "average linkage cluster" dendrogram. In other words,
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- it groups the variables by how closely they resemble each other. The
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- program does not draw the relationship "tree", but provides the successive
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- groupings with the increasing linkage distances noted. Not too useful
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- for most people, but an interesting technique.
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- PLOT.BAS
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- This program takes columns of data and plots up to 5 overlapping graphs
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- of the data. It can use sorted or unsorted data and has room for
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- X and Y axis labels. It is self-explanantory in operation.
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- Deane Wang
- Greeley Lab
- 370 Prospect ST.
- New Haven, CT 06511
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