hanaml.TTest1Samp.Rd
hanaml.TTest1Samp is a R wrapper for SAP HANA PAL T Test.
hanaml.TTest1Samp(
data,
col = NULL,
mu = NULL,
test.type = NULL,
conf.level = NULL
)
DataFrame
DataFrame containting the data.
character, optional
Names of column for T-test.
No default value.
double, optional
Hypothesized mean of the population underlying the sample.
Defaults to 0.
character, optional
The alternative hypothesis type.
'two_sides'
'less'
'greater'
Defaults to 'two_sides'.
double, optional
Confidence level for alternative hypothesis confidence interval.
Defaults to 0.95.
Dataframe
Dataframe containing the statistics results from the t-test.
It is a statistical procedure used to determine whether a sample of observations could have been generated by a process with a specific mean.
Input DataFrame data:
> data$Collect()
X1 X2
1 1 10
2 2 12
3 4 11
4 7 15
5 3 10
Call the function:
> result <- hanaml.TTest1Samp(data)
Output:
> result$Collect()
STAT_NAME STAT_VALUE
1 t-value -1.406288e+01
2 degree of freedom 4.000000e+00
3 p-value 1.483726e-04
4 _PAL_MEAN_DIFFERENCES_ -8.200000e+00
5 confidence level 9.500000e-01
6 lowerLimit -9.818932e+00
7 upperLimit -6.581068e+00