1 | Data Type:
Specify the type of data for your analysis. The available options are:
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2 | Comparison:
Specify the type of comparison you want to make for your data. The available options are:
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3 | Num Samples: Specify the number of samples(data sets) you are comparing. | ||||||||||||||||||||||||||
4 | Hypothesis Test:
Specify the specific hypothesis test you plan to use, and the sample size will be determined for this test. The available options are:
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5 | Help Button: Click on this button to open the help file for this topic. | ||||||||||||||||||||||||||
6 | Cancel Button: Click on this button to cancel all changes to the settings and exit this dialog box. | ||||||||||||||||||||||||||
7 | OK Button: Click on this button to save all changes and compute the outputs for this analysis. |
1 | Null Hypothesis: Specify the null hypothesis. Currently, this menu option is set to 0 and disabled. The information about the null hypothesis is extracted from the information you enter in the Data tab. |
2 | Alt Hypothesis: Specify the alternate hypothesis (less than, greater than, or not equal). The default setting is Not Equal. The software will perform a one-sided hypothesis test if you select either less than or greater than. |
3 | Confidence Level: Enter the confidence level required for your analysis. This controls your Type I or Alpha error (1 - Confidence Level). The default value for this is 95%. |
4 | Population Size: For certain types of analysis, the population size may be small. In these cases, we can specify the population size here so that the sample size calculator will take into account the limited size of the population when recommending an adequate sample size for analysis. For most cases, the population size is very large, and in those cases, you can use the character string INF to denote a very large population size. |
1 | Objective:
Specify the objective of this study. The available options are:
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2 | Sample Size: Unless you have specified an objective of determining the sample size, you must specify the number of samples available for your study. This field is not enabled by default, as the software will determine the minimum sample size you need. Note that the minimum sample size is across all the samples (or data sets) you use for the comparison. | ||||||||
3 | Power of the Test: You will only need to specify the required power for your study if you have specified an objective of determining the power of the test. By default, this value is 90%. The power value also equals 1 - beta (type II error). Hence, if you specify the power as 90%, you accept that this study may have a Type II error of up to 10%. | ||||||||
4 | Delta (Difference):
Unless you have specified an objective of determining the minimum difference (delta), you will need to specify the value for this parameter. The value you specify depends on the comparison you are making. The following options are available:
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5 | Standard Deviation: For continuous data type, you will need to specify the standard deviation value for your study. How much variation do you have in your data values? The more variation (or standard deviation) there is, the more samples will be required for your analysis. For discrete data types, you will need to specify the baseline proportion. | ||||||||
6 | Hypothesis Statement: The statement about the specific hypothesis test being run is displayed here. Check this statement to ensure all your inputs are correct; if not, you may need to adjust your analysis inputs. |
1 | Title: The system will automatically pick a title for your chart. However, if you want to override that with your title, you can specify a title for your chart here. Note that this input is optional. |
2 | Sub Title: The system will automatically pick a subtitle for your chart. However, if you want to override that with your subtitle, specify a subtitle for your chart here. Note that this input is optional. |
3 | X Label: The system will automatically pick a label for the x-axis. However, if you would like to override that with your label for the x-axis, you can specify a different label here. Note that this input is optional. |
4 | Y Label: The system will automatically pick a label for the y-axis. However, if you would like to override that with your label for the y-axis, you can specify a different label here. Note that this input is optional. |
5 | X Axis: The system will automatically pick a scale for the x-axis. However, if you would like to override that with your values for the x-axis, you can specify them here. The format for this input is to determine the minimum, increment, and maximum values separated by a semi-colon. For example, if you specify 10;20, the minimum x-axis scale is set at 10, and the maximum x-axis scale is set at 20. If you specify 10;2;20, then in addition, the x-axis increment is set at 2. Note that this input is currently disabled, and you will not be able to change this setting. |
6 | Y Axis: The system will automatically pick a scale for the y-axis. However, if you would like to override that with your values for the y-axis, you can specify them here. The format for this input is to determine the minimum, increment, and maximum values separated by a semi-colon. For example, if you specify 10;20, the minimum y-axis scale is set at 10, and the maximum y-axis is set at 20. If you specify 10;2;20, then, in addition to minimum and maximum values, the y-axis increment is set at 2. Note that this input is optional. |
7 | Horizontal Lines: If you want to add a few extra horizontal reference lines on top of your chart, you can specify the values here. The format for this input is numeric values separated by semi-colon. For example, if you specify 12;15, two horizontal lines are plotted at Y = 12 and Y = 15, respectively. Note that this input is optional. |
8 | Vertical Lines: You can specify the values here if you want to add a few extra vertical reference lines on top of your chart. The format for this input is numeric values separated by semi-colon. For example, if you specify 2;5, two vertical lines are plotted at X = 2 and X = 5, respectively. Note that this input is optional. |
1 | Item: The left-hand side shows the major tabs and the items checked within each section |
2 | Status: The right-hand side shows the status of the checks. |
3 | Overall Status: The overall status of all the checks for the given analysis is shown here. The overall status check shows a green thumps-up sign if everything is okay and a red thumps-down sign if any checks have not passed. Note that you cannot proceed with generating analysis results for some analyses if the overall status is not okay. |
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