The file lungfunction.dat contains data from 50 people. Lung function can be measured by a forced out breath of air into a device called a spirometer and is used as a marker for lung health. There are four quantitative variables: forced expiratory volume in 1 second (FEV1) measurement (to...
ggdist的选择更准确，因为它没有高密度的0附近（但不等于）的厚部分值。
这种强制转换将在ggplot()的代码内部进行--毕竟，这些日期需要在某个时候被分配到笛卡尔坐标，以便绘制...
can be fixed to constants by specifying the list constants. Arrays which are not specified in the list will be treated in the default way. An alternative for fixing constants is the function fixConstants. 因此我们可以如下定义模型 1 2 3 4 5 6 7 8 9 MA <-array(c(1,-1.5,0.5),...
The function I(C) is the indicator function, taking the value 1 if the condition C is true and 0 if the condition C is false. (a) Download the data trnormal.dat from the G3 Moodle page. Read it into R using scan. (b) Obtain summary statistics for the data and plot a histogram...
The function I(C) is the indicator function, taking the value 1 if the condition C is true and 0 if the condition C is false. (a) Download the data trnormal.dat from the G3 Moodle page. Read it into R using scan. (b) Obtain summary statistics for the data and plot a histogram...
The function I(C) is the indicator function, taking the value 1 if the condition C is true and 0 if the condition C is false. (a) Download the data trnormal.dat from the G3 Moodle page. Read it into R using scan. (b) Obtain summary statistics for the data and plot a histogram...
The function I(C) is the indicator function, taking the value 1 if the condition C is true and 0 if the condition C is false. (a) Download the data trnormal.dat from the G3 Moodle page. Read it into R using scan. (b) Obtain summary statistics for the data and plot a histogram...