Sazal Kumar

5 Questions 13 Answers 0 Followers

Questions related from Sazal Kumar

How to get loadings of sample and species for PCA in Canoco 5 software?

I have performed PCA analysis for species and sampling locations. I have got the summary of analysis and the graphs. But, I need the value of the loading for each species and sampling location for...

12 November 2019 6,004 3 View

What is the better statistical method to see correlation among pollen data with climatic variables?

I am trying to correlate pollen percentage data (modern pollen) with mean annual precipitation, mean July temperature, and maximum annual temperature. Are Pearson's correlation analysis, cluster...

27 December 2018 6,619 5 View

How to use < or > x (where x is a numeric value) for statistical analysis by SPSS?

There are some data (for my case concentration of trace metals) like < or > x. By using this type of data I am trying to get descriptive statistics, Pearson correlation, Cluster analysis,...

16 May 2018 2,081 5 View

How can I represent pollen influx diagram by using Tilia, when there is larger fluctuation in pollen influx values?

I am very new in handling pollen data. While I was trying to draw pollen influx diagram by using Tilia Software, due to larger differences in pollen influx value, some lines are very high and...

23 March 2018 3,264 6 View

If the concentration of a metal (e.g., As) is less than LOQ of AAS, (For example, As is <0.0005 mg/L) then how to calculate HQ and HI?

I have found concentration of Arsenic and other metals less than LOQ of AAS. But, for the calculation of Hazard Quotient (HQ) do I need to calculate for the values that are less than LOQ? Also,...

19 January 2018 5,068 7 View