Biostatistics

Epidemiology and biostatistics, public health research. GLM, logistic regression, survival analysis, clinical trials.
L
Using Binomial Cumulative Distribution Function to Analyse Repeated Measures Data
Replies
4
Views
1,248
LeonM
D
Using/converting KM survival data
Replies
3
Views
154
DanH85
P
Analyzing the data from a randomized crossover study (pre-test and post-test) with a placebo and two interventions
Replies
14
Views
4,980
franco77
S
calculate the 95% confidence interval for the mean lead concentration for all the children in the school
Replies
3
Views
1,264
Miner
S
Testing for an influence of variation within groups
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0
Views
127
SamHollinger
P
Multiple comparisons vs multiple pairwise t tests
Replies
7
Views
337
phaquehr6
M
Expected distribution of population with missing data, based on smaller sample with known distributions
Replies
3
Views
266
katxt
J
How to extract coefficients corresponding to data from each time in a mixed effect model in R?
Replies
10
Views
551
hlsmith
S
Statistical test to assess differences between two groups with different trait measures
Replies
6
Views
323
SamHollinger
D
P values in clinical trial
Replies
5
Views
485
hlsmith
V
How would you do ? - data on trout reproduction in river
Replies
1
Views
755
Koen Van de moortel
S
Matching in discovery nested case-control study
Replies
2
Views
387
stex3986
S
Sample size for equivalency testing with multiple 'samples' per patient
Replies
10
Views
940
katxt
R
Methods for group comparison
Replies
3
Views
489
hlsmith
N
choosing the right test to better answers the research questions
Replies
5
Views
676
Karabiner
J
What test should I use ? comparing pre/post treatment 3 level categorical data
Replies
5
Views
1,645
Karabiner
T
Compute sample size for an intra-class correlation (ICC)
Replies
2
Views
567
twentyseven
J
statistical test to check the organ dysfunction pattern over different time period
Replies
0
Views
1,107
Jan_97
Q
Cox Regression Assumption
Replies
12
Views
670
hlsmith
C
SAS PBE -Population Bioequivalence (PBE) analysis SAS Coding
Replies
0
Views
336
cdmpv
S
How do I check for normality?
Replies
11
Views
786
jamesmartinn
D
Standard Operating Procedures (SOP) for Statistical Analyses in Pharma industry
Replies
0
Views
1,178
didye
F
Help with Fisher's Exact Test
Replies
6
Views
706
katxt
S
correlated variables
Replies
1
Views
355
Karabiner
S
Cox model or not ?
Replies
12
Views
795
Stat_member
S
reports for TSCs and unblinded and blinded sections of DMC meetings (clinical trials)
Replies
7
Views
993
hlsmith
S
Choosing the correct statistical test
Replies
11
Views
668
katxt
P
Sample size calculation for survival clinical trial
Replies
1
Views
421
fed2
S
variability in measurement/reproducibility
Replies
5
Views
680
statsnoob2022
S
If one line of data is measured on a subject, can this line of data be treated as individual?
Replies
0
Views
465
sherlockyin
B
number of pairwise comparisons in Bonferroni correction
Replies
11
Views
691
fed2
C
Cox Proportional Hazard Analysis
Replies
4
Views
579
Chandus
N
mean rank to mean + sd ?
Replies
0
Views
453
NathBeeBop
S
Which test should I choose ?
Replies
3
Views
432
Karabiner
A
Generalized linear models. Choose the model
Replies
2
Views
465
hlsmith
Q
Question about Sample Size Calculation
Replies
9
Views
648
qkrrmsdud
S
Need help on choosing statistical method to analyze SARS-CoV-2 strains
Replies
2
Views
416
hlsmith
victorxstc
Nonparametric alternative to point-biserial correlation coefficient? - Which? t-test or Mann Whitney?
Replies
4
Views
2,231
victorxstc
D
Help in sample size calculation!
Replies
3
Views
605
katxt
T
Searching for variables that could cause a certain effect
Replies
6
Views
561
katxt
S
Multiple comparisons analysis
Replies
3
Views
833
Yves.Claveau
V
Analysis: 2 groups with drastically different sample size
Replies
5
Views
660
fed2
M
p values for hazard ratios
Replies
7
Views
727
hlsmith
E
Convergence of MCMC chains
Replies
3
Views
526
hlsmith
S
Adjusted OR
Replies
4
Views
842
hlsmith
S
discrete-time survival analyis vs interval censoring
Replies
5
Views
817
fed2
W
Missing data-can a heterogenous small subgroup affect the outcome of analysis?
Replies
0
Views
576
we66530
P
Performance of a test
Replies
2
Views
440
piglerdog
S
Sample size calculation when comparing two coefficients of variation
Replies
4
Views
907
fed2
E
Generalised linear models or GEE?
Replies
0
Views
465
EcologyJamie
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