Data Analysis 1.6

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Data Analysis [6-15]

Additional Statistics
(Proc Means)

Similar to Proc Univariate, you can request for additional statistics when running Proc Means.

Let's take a look at the PHARMA data set again.

Example

Data Pharma;
Infile datalines dsd;
Input Rank Company :$30. Rev2014 Rev2013 GrowthR GrowthPer;
Datalines;
1,Novartis,47101,47468,-367,-1
2,Pfizer,45708,47878,-2170,-5
3,Roche,39120,39163,-43,0
4,Sanofi,36437,37124,-687,-2
5,Merck & Co.,36042,37437,-1395,-4
6,Johnson & Johnson,32313,28125,4188,15
7,GlaxoSmithKline,29580,33330,-3750,-11
8,AstraZeneca,26095,25711,384,1
9,Gilead Sciences,24474,10804,13670,127
10,Takeda,20446,19158,1288,7
;
Run;

You can specify the statistics keywords after the (data=) option:

Example

Proc Means Data=Pharma Min Max Range;
Var Rev2014;
Run;

The statistics keywords (Min, Max, and Range) are specified. The corresponding statistics will be generated:

Proc Means has a very similar list of statistics keywords as Proc Univariate.

Below are some of the more common keywords:

MAX
MEAN
MIN
MODE
N
NMISS
NOBS
RANGE
STD
SUM
Q1
MEDIAN
Q3

For the complete list of keywords, please visit here and scroll down to the bottom to statistics keywords.

Exercise

Compute the mean, standard deviation, standard error and the two-sided 95% confidence limit on the revenue in 2013.

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