How can calculate intra day and inter day precision?

How can calculate intra day and inter day precision?

31 December 2018 1,716 0 View

In Flow Injection technique, why the slope of calibration curve do not pass through the zero point?

When you draw a calibration curve is always the slope is higher than the original point at its intersection with the y-axis, with the knowledge that the solution used is blank solution.and when to...

04 May 2016 4,805 3 View

What will the change in peak width (w) be if the column length is triplet in chromatography?

What relationship between peak width and length of column in chromatography?

03 April 2016 1,314 0 View

Van Deemter equation?

03 April 2016 9,119 3 View

How is the choice of the analytical method of Instrumental analysis in analytical chemistry in general?

In general on what basis are chosen analytical method?

02 March 2016 7,178 9 View

Why the slope of calibration curve do not pass through the zero point?

When you draw a calibration curve is always the slope is higher than the original point at its intersection with the y-axis, with the knowledge that the solution used is blank solution.and when to...

02 March 2016 5,550 4 View

How can I reduce the amount of noise in the detector?

02 March 2016 8,516 4 View

HF behaves as a base?

HF behaves as a base in which of the following solvents? A. NH3 (l) B. H2O (l) C. CH3COOH (l) D. H2SO4 (l) E. Aqueous 0.10 M NaOH F. None of above

06 July 2015 2,173 0 View

What is the best way to write the cover letter?

What is the best way to write the cover letter for journals of Thomson Reuters?

04 May 2015 3,024 6 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

Binary Logistic Generalized Linear Mixed model in SPSS. Is it doable?

I want to analyses the proportion of swimming sperm of three species of fish in two salinities. To analyse the proportion of swimming sperm in a Generalized Linear Model, I would use a Binary...

03 March 2021 2,297 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

What test should i use in comparing the correlation between categorical and continuous variables?

Dear all, I have the variable (Surgery duration) represented by values in minutes and the variable (preoperative neuropraxia cases) represented as (Yes/No) values. I want to compare these two...

03 March 2021 5,427 5 View

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

How to find the mean, SD and CI in SPSS?

Hi, I hope that someone can help me with this task: I have 5 groups of participants which are numbered in SPSS from 1 to 5 (according to their group number) and are all under the variable group....

03 March 2021 506 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 View

How to code open-ended questions in SPSS?

Hello all, In SPSS I am going to code 2 open-ended questions. I have already read all the answers and I made a list of the most important categories to which I can code the answers. This question...

02 March 2021 1,757 4 View

The procedure compute?

02 March 2021 5,204 3 View

Does anyone know what a '.' means in SPSS?

Hi everyone! I was wondering if anyone would be so kind as to help me with regards to my data set on SPSS! I was checking for multivariate outliers via the standardised residuals ('Linear...

02 March 2021 7,910 3 View