Dilan Dissanayake

8 Questions 13 Answers 0 Followers

Questions related from Dilan Dissanayake

What could be the reasons for discrepancies in stationary R-squared and MAPE?

Attached is a Table summarizing the MAPE and stationary R-squared values obtained for alternative exponential smoothing forecasting models for different variables. In general, the model with the...

09 May 2020 733 2 View

What is the criterion to determine the minimum number of lags required to make a meaningful forecasting using ACF?

I hope to forecast swine population using last 30 years of census data. The original time series has 81 time points (from 1937-2017) and I have already worked out the ACF correlogram (attached...

16 December 2019 3,732 3 View

What is the best model from the following exponential smoothing models?

I have modeled four non-seasonal exponential models using time series data on pork production over the period 1978-2012. data from 2013-2017 were hold-out for model validations. For simple...

01 June 2019 2,249 4 View

How to extract the plasma membrane fraction of cultured L6 muscle cells?

I want to separate the plasma membrane fraction from the cultured muscle cells upon sample treatment in order to analyze Glut4 translocation into the plasma membrane. I usually extract the cells...

15 June 2017 933 2 View

What is the physiological charge of nicotinamide/niacinamide?

The pKa (strongest acidic) of nicotinamide/niacinamide has been given as 13.39 which should logically exist as a positively charged molecule at the physiological pH (7.4). However, the...

31 May 2016 7,119 1 View

Can anybody tell me how I can separate Gly-Tyr and Tyr-Gly with the same m/z using RP-HPLC?

I need to separate a mixture of dipeptides Gly-Tyr and Tyr-Gly using RP-HPLC.

05 January 2015 1,511 7 View

Dairy Microbiology - What should be the average value that I should use in cfu/mL?

I cultured Lactococcuc lactis subsp. lactis on M17 Media and obtained 6 x 106, 5 x 106 and 3 x 106 cfu/mL in three replicates. What should be the average value that I should use?

06 August 2014 3,448 7 View

What is the reason of observing a lag-phase in a pure Sacchoromyces cerevisiae culture cultured in milk?

Dairy Microbiology

25 July 2014 963 3 View