Biostatistics

Epidemiology and biostatistics, public health research. GLM, logistic regression, survival analysis, clinical trials.
R
How to analyse proportion data that are larger than 1
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2
Views
364
ronig
T
Comparison of coefficients in two logistic regressions
Replies
9
Views
491
obh
F
Questions about trial sequential analysis for non-randomized control studies (non-RCTs)
Replies
0
Views
421
FFf
N
Detect relevant position of 2 sequences with mutation frequencies
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0
Views
90
Nanuk
S
Calculating Odds Ratios
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5
Views
156
hlsmith
M
Leukocyte count-ischemic stroke. Regression type?
Replies
2
Views
132
mihai.du
A
Sample Size calculation - "difference in mean differences"
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0
Views
172
ameyabondre
K
Power Calculation
Replies
1
Views
225
fed2
A
Interpreting hazard ratios
Replies
1
Views
130
hlsmith
B
Comparing quantitative protein information
Replies
1
Views
85
hlsmith
C
Sample size estimation for evaluation of diagnostic tests
Replies
0
Views
143
ConnemaraPony
T
What kind of graph is this?
Replies
0
Views
125
teapot
B
What's adequate sample size for single mediator model?
Replies
2
Views
231
Boruchf
F
P for trend
Replies
2
Views
200
Furby2020
J
Biostats question help! Thanks.
Replies
2
Views
230
Karabiner
B
Variable strong in Pearson coefficient calculation but weak in linear regression
Replies
1
Views
128
hlsmith
H
  • Poll
ROC curve - AUC related question
Replies
5
Views
283
health_economist2904
S
Change over time in quality of life outcome
Replies
3
Views
341
Karabiner
P
Block randomization
Replies
2
Views
268
Polina
A
Sample size determination
Replies
0
Views
164
Adriana Branco
C
Non-parametric methods
Replies
3
Views
259
Karabiner
C
Sample size considerations
Replies
6
Views
374
cheesecake21
S
Correlation and ROC analysis with repeated measures data
Replies
0
Views
203
StatsQuizz
G
Which is the correct test to use?
Replies
4
Views
259
GuidoL.
B
Evaluation of cell migration data
Replies
0
Views
125
Biochemist
B
Power of a study to detect risk
Replies
1
Views
203
Karabiner
T
Which variable for Cox regression?
Replies
5
Views
269
hlsmith
S
How to interpret result? I have 4 correlation coefficients for each parameter?
Replies
0
Views
180
SDN
K
Sample size calc for two sample proportions
Replies
1
Views
264
obh
G
Bonferroni or not...
Replies
2
Views
219
GVet89
J
Combining data from various trials to obtain weighted mean and SD
Replies
3
Views
362
JSG44
B
T Test or Pearson's Coefficient for Testing Colinearity of Two Independent Variables
Replies
0
Views
231
Boruchf
S
What test should be used to compare nominal data between 5 groups
Replies
5
Views
642
Sobath
H
Confidence Intervals for Incidence rate
Replies
3
Views
445
fed2
K
Combining different measures of survival for a SR
Replies
2
Views
343
keno.mentor
J
Statistical comparisons for large sample sizes (n>1000)
Replies
2
Views
404
yl2010fall
B
My t-test results are significant, but are they meaningful?
Replies
3
Views
291
yl2010fall
D
which efficacy population you are using for onc phase1/2a
Replies
1
Views
346
yl2010fall
A
When our data are infinite, why the posterior=PPOS?
Replies
0
Views
201
ana1
O
Ratio simplification
Replies
5
Views
427
Dason
A
Association between two lab parameters over time
Replies
1
Views
360
fed2
A
Bang Tsiatis Partitioned Estimator
Replies
0
Views
250
Andyn
K
Creating Z-Scores for Meta-Analysis
Replies
6
Views
477
Kat123
M
beta diversity analysis
Replies
7
Views
532
hlsmith
S
Need help with a question for homework
Replies
1
Views
450
Karabiner
noetsi
Observational Study
Replies
12
Views
801
noetsi
M
I need advice; Correct statistical model in preclinical experiment
Replies
0
Views
400
MarekCZ
D
Statistical Analysis of fixed sequence 3-period 2-treatment (ABB) crossover design
Replies
1
Views
370
drwho
K
Help! What stats should I use?
Replies
1
Views
290
fed2
M
Help! How to calculate sample size here?
Replies
0
Views
284
manfred
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