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Skyscript Astrology Forum

AP - Calculating Influence Values

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Joined: 15 Oct 2003
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Posted: Wed Oct 15, 2003 10:29 pm    Post subject: AP - Calculating Influence Values Reply with quote

15 Sept 2003


Hi, I was trying to figure out the formulas astrolog uses to calculate all it's influence/power values, but I couldn't come up with it. I'm just wondering if anyone can post the formulas they use for calculating the values of each astrological position. If not, maybe you can suggest a website, book, or other resource that explains their calculation?

I notice that astrolog gives sun 30 points, moon 25 points, and the rest of the majors 10 points. They also give a decimal fraction associated with each aspect. Conjuct (1.0), Opposition (.707), Squ(.5)... etc. Yet, I'm not sure what to multiply by what to calculate their relative influence in the chart. I've also heard that the power of a planet in a person's personality is affected by the dignity of the sign it's in, but astrolog didn't provide any values to take this into account.

For example, if someone has an Aquarius Sun and Aries Mars, Mars has an innate power of 10 and Sun has an innate power of 30, but if Sun is in it's detriment sign, how much would we subtract? Would it be 5? And if Mars is in it's ruling planet, would we add 5? If this is right, we would say Sun has a power of 25 and Mars has a power of 15 in the person's personality?

And when you factor in the influence of all their aspects, would we also consider the dignity of the sign it's in? So if Aries Mars is conjunct Sun in Aquarius, Mars will receive a certain value of strength from the Sun, but how much? Astrolog just ranks conjunct as 1.0, but that couldn't mean to only add 1 point, so do we add the entire 25 points to Mars and add the entire 15 points to the Sun? So that would mean that both Mars and the Sun would be valued at 40 assuming no other influences were present?

And, if Mars Aries was square Sun Aquarius, we would then only add half of the value of each to each other? So Mars would get half of the Sun's 25 points and the Sun would get half of Mars' 15 points? So that would put Mars value at 27 and the Sun at 32?

Then when we calculate the influence of each sign in a person's personality, would we also consider the compatibility of the planet and sign? For example, if one person has Mars Aries and another has Mars Libra, do both Aries & Libra get 10 points, or would Aries get 10 plus 5 for being in its ruling planet and Libra get 10 minus 5 for being in its detrimentary planet? So that would mean that Aries would be valued at 15 and Libra be valued at 5 in the respective person's personality?

Finally, what kind of value would we place on Dwads? Anyway, this is the kind of thing I'm a bit confused with. Any advice on the subject will be much appreciated. Thanks -Dave



just curious, but why use there weights? why not use your own?

I mean if you liked their system you wouldnt' be making your own, right?




Hi Dave,
Glad to see you are still battling with your project

Personally I think it would make more sense, and be more universally appreciated, if you used a weighting system based on some kind of traditional reckoning applied to essential and accidental dignities/debilities. (See and in particular part 5 – assessing dignity and debility through ‘point scoring’.)

Whatever system you use, I hope that you can build into your program some way for the user to access knowledge of how any planetary scores are derived, because as you’ve discovered yourself they are completely meaningless if no one understands the basis of the calculation. That makes them worthless for interpretation and irrelevant for calculation.
In a perfect world of course, the user would be able to adjust the default or have some flexibility in setting the program to their preferred point-scoring systems.



Thanks for the link, Deb. Actually, it seems bit more complicated than I wanted to get. In reply to GraelHeaven, I was curious how astrolog calculates the weights since the people who wrote the program probably have more experience in astrology than me. I figure I would start with someone else's formulas first and then decide later on (once I have more experience) whether to change them or not.
If anyone else has any links or info on quantitative analysis of a person's chart, please let me know. Thanks again -Dave



actually if you use debs idea, even if you dont get that detailed, you could add to it later. for instance, start by giving weights to each planet, then each angle, then if you want to get more detailed you could. just a thought... MissB
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Posted: Wed Oct 22, 2003 8:22 am    Post subject: Reply with quote

AP - This is an archived post, but may still be responded to.
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