Alternative data visitation softwares for Mac?

I am looking for free data insulation software for a Mac instead of Excel and Tableau. Any advice would be appreciated.

20 May 2020 7,317 4 View

How can I remove dried/burnt grease from stainless steel?

There are some dirts on the inlets and outlets of our mass flow-meters. I guess they are burnt or dried grease. They had sticked on the materials and I try to clean them for clear gas flow. Do you...

01 November 2019 3,342 5 View

Does anyone have measure for educators' perception of outdoor learning ?

Does anyone have or suggest measure for educators' (teachers, adminstarators) perception of outdoor learning (nature-based, outdoor activities) in early and primary education? Thanks in advance.

28 September 2017 7,866 4 View

Can you suggest me a high electrical conductive material which i can use at 1100 C in H atmosphere

I tried graphite before but i faced ash like wearing problem. I made some research and found Inconel 601 - 617 (Nickel alloy) and TMZ alloy (Molybdenum alloy) which are hard to reach. I will try...

02 August 2017 6,741 3 View

Dissolving 100 kDa PLGA in an organic solvent?

21 August 2016 4,830 7 View

No title

I am studying the effects of some chemicals on the yeast via microarray. I performed the microarray and analyzed the data. Now, I am trying to verify my results with RT-qPCR. I have no problem...

25 August 2015 4,493 7 View

Do you know any full feature proprietary software free for academic institutions, students, labs, etc.?

The software should not be a trial version. It should be proprietary software and its full features should be freely available for use in academic institutions. For instance, I know of a program...

08 December 2013 1,492 5 View

Which statistical analysis could be performed to measure the progress of countries' performances with few columns?

My data has only 3 columns. These columns are year_2012, year_2010, year_2007. These columns are about measurements performed in various years (2012, 2010, 2007). Rows are countries (~150...

01 December 2013 2,318 3 View

Why do renewable energy policies fail in Turkey and in many other countries?

Turkey will be building 50 to 86 coal plants and 3 nuclear power plants. November 4, 2013 - CEE Bankswatch Network: "Between 50 and 86 new coal plants are planned to be built in Turkey over the...

20 November 2013 1,319 4 View

What are the underlying reasons for saving factor scores with different methods, as such Anderson-Rubin scores, Bartlett scores, etc?

In its final solution, factor analysis creates one new variable for each factor. These variables can be saved using methods namely Anderson-Rubin, Bartlett scores, regression, etc. I prefer...

18 November 2013 1,091 5 View

What is your perception on using visual analysis or quantitative approaches to evaluate data from single-case research designs (n of 1 trials)?

Results of single-case research designs (i.e., n-of-1 trials) are often evaluated by visually inspecting the time-series graph and computing quantitative indices. A question our research team is...

03 March 2021 687 1 View

How to address this issue in the analysis of Real-Time PCR results?

To dear Researchers, I was analyzing a series of concentration for estimation of Real-Time PCR efficiency. The concentration was 1:10. I used MS-excel to evaluate Slope. The result of slope was -8...

01 March 2021 8,683 4 View

How to make a time series imputation benchmark ?

Hello ! In a work, I have to benchmark different algorithms to fill in missing values in time series. I insist on the fact that this is imputation and not forecasting. In my case, I have access...

24 February 2021 7,470 7 View

How to interpolate from a time-series database ?

Hi, I am having trouble with a problem, in the field of Optimal Control and the generation of optimal time-series. Let's consider a system, whose dynamics are represented by dx/dt =...

24 February 2021 9,105 2 View

Can we recognize signs of the "volatility clustering" property of a time series in its time domain plot?

My purpose is to recognize the volatility clustering property without statistical tests such as The Lagrange Multiplier (LM) test.

24 February 2021 4,150 3 View

How can I obtain time series data by country on night-time light (brightness) ?

Hi everyone, Please, how can I obtain time series data by country on night-time light (brightness) ? I've tried, but so far all I can find are maps. I am looking for numerical data, especially in...

24 February 2021 8,625 4 View

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future ?

I have a time series data of some biochemical studies ( DNA and Chromosomal damage) which I intend to use to further predict into future without necessarily conducting the assay for an extended...

23 February 2021 7,842 1 View

How to run repeated measures in mvabund?

I have a dataset of fish species abundances collected from 6 different habitats over the course of 30 years. Fish were collected multiple times per year and environmental variables were recorded...

21 February 2021 3,838 1 View

Can someone help me with this error that I am getting while estimating a VAR model in R?

I am using annual time series data to estimate a VAR model in R. However, when I run the command to find the optimal lag length, I get the following error: Fehler in VARselect(data, lag.max = 10,...

18 February 2021 9,647 3 View

What is recommended and opened real-time or nearly real time geospatial data used in flood risk assessment and regional planning on a detailed scale?

I asked recommended real-time or nearly real-time data source for any parameters for flood risk on a microscale analysis for urban area cases in developing countries that had agglomeration urban...

18 February 2021 2,617 2 View