What is DA in Parkinsons?

What is DA in Parkinsons? Low dopamine levels Parkinson’s disease symptoms mainly result from low or falling levels of dopamine , a neurotransmitter. It happens when cells that produce dopamine die in the brain. Dopamine plays a role in sending messages to the part of the brain that controls movement and coordination. What does D2 […]

How is homoscedasticity determined?

How is homoscedasticity determined? The general rule of thumb1 is: If the ratio of the largest variance to the smallest variance is 1.5 or below, the data is homoscedastic. Is homoscedasticity an assumption of correlation? The assumptions for Pearson correlation coefficient are as follows: level of measurement, related pairs, absence of outliers, normality of variables, […]

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