Issue in SPSS for pattern matrix?

In pattern matrix in SPSS the loading's are good but same variables are not loading into single factor. what should i do to resolve it?

18 September 2018 3,279 6 View

What is the best formula to estimate the density of air taking into account the variable weather conditions?

Hi, We know that the standard density of air is 1.225 kg/m3 (at sea level, 15 oC, & 1 atm). The density, however, is not constant as it changes daily according to the local atmospheric...

08 September 2016 8,358 3 View

Is there a classification scheme for rock cavities or caverns with respect to their size and shape?

The range of forms and sizes of cavities in rock is very big. Is there a classification scheme for rock cavities regarding their size and shape?

02 March 2021 4,511 3 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

Any references about insects or animals that can damage or weathering of rock or fossil material?

Are there any references to insects or animals that can cause damage or weathering to the rock or fossil material? books or paper that would be nice. Thank you very much!

24 February 2021 6,805 3 View

Physical-chemical formation of stalactites/stalagmites. what promotes the formation/growth of these structures?

I know, or think I do, the basic idea behind these natural structures, as from what I know they form due to water dripping from the top leaving a salt deposit behind. But started to wonder about...

22 February 2021 1,400 4 View

Wave velocity and rock density paradox?

Practically it is known that seismic velocity increases as rock density increases, why then does the wave velocity equation involving elastic moduli and density indicate that velocity is inversely...

09 February 2021 1,843 3 View

Conversion of Vs to Vp in geophysical surveys of rock masses?

Dear colleagues I would like to have your kind opinions on the issue that concerns rock mechanics and geophysics in relation to it, for a very specific problem I have. I have attempted to find a...

03 February 2021 3,605 3 View

Is Handheld XRF analyzer useable? and accurate in geochemical test?

What is the different between Lab XRF and Hanheld XRF, is it accurate and useable to analyze sedimentary rocks?

23 January 2021 9,941 6 View

What's the correct way of treating ordinal variable as continuous in regression?

08 January 2021 920 16 View

Is there any software (windows) or spreadsheet except MELTS to understand fractional crystallization behaviour of volcanic rocks (i.e. basalts)?

I have bulk rock major and trace elements data available to me.

17 November 2020 3,531 3 View

Dear Researchers, what are the best input variables that should be selected for artificial intelligence in prediction of rock failure precursor?

Using of artificial intelligence modeling techniques for prediction of rock failure precursor

19 September 2020 1,981 2 View