Added transparency option for drawing objects (text box, rectangle, ellipse).Fixed a bug that could cause the program to produce an error when using MedCalc Help in the Help menu.The calculated trimmed mean will be different. For new analyses, the new definition will be applied automatically.įor the trimmed mean spreadsheet functions there will be no conversion and the calculated trimmed mean will always be that corresponding to the revised definition. The reported trimmed mean will remain the same. When you selected a 20% trimmed mean in the old version, the report will show that this is now called a 10% trimmed mean. This is in agreement with SPSS, R and other major statistical packages.įor the summary statistics report, when recalling older analyses, MedCalc will adapt the % value of the trimmed mean. In the new MedCalc version, for a 20% trimming, the program trims 20% at the lower tail and 20% at the higher tail, so 40% in total.In previous MedCalc versions, for a 20% trimming, the program would trim 10% at the lower tail and 10% at the higher tail, so 20% in total.Revision of the definition of 'percentage trimmed':.New: Yuen-Welch test for the comparison of 2 independent trimmed means.Ĭomputional notes are given on Calculation of Trimmed Mean, SE and confidence interval.New: Comparison of trimmed means of paired samples.When you upgrade the software, the sample data files may be overwritten by new versions of these files. When you run the software for the first time, several MedCalc sample data files will be copied into your documents folder, typically into You should re-enable it as soon as installation has been completed. Temporarily disabling your anti-virus program may help if you're having trouble with your installation. Anti-virus programs can sometimes interfere with the MedCalc installation process.How to determine whether a computer is running a 32-bit version or 64-bit version of the Windows operating system (link to Microsoft website).If you want to install the 64-bits version and you have a 32-bits MedCalc version already installed, you should first remove that older MedCalc version through your Windows control panel.

Then execute medcalcsetup.msi and follow the instructions for the installation procedure. If you have previously installed MedCalc, you must close any open (running) copy of MedCalc first.The MedCalc installation files are suitable for new installations only as well as software updates.MedCalc 22 can read all previous file formats but when saved, the new file format is used. Important: files saved in MedCalc version 22 cannot be read by previous MedCalc versions.

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