Statistics

Statistics course and homework discussion. Elementary statistics.
TheEcologist
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Forum Guidelines: Smart posting behavior pays off
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1
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212,157
Dason
quark
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We only provide homework help to those who show effort
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76,117
quark
Jennifer Murphy
Help understanding Excel's PercentRank.Inc vs .Exc
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41
Jennifer Murphy
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Help with exercise on parametric tests!
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4
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107
@charlotteblaze
K
Interpreting intraclass correlation
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56
ksabin08
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When to use convergent validity and discriminant validity?
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54
oscarwukaka
O
Does anyone know if I should check convergent validity and discriminant validity for a one-factor solution EPA ?
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111
oscarwukaka
W
Clustering univariate measures
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144
gianmarco
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Help determining start values of coefficients for a nonlinear model
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3
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176
katxt
E
Non-parametric tests
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1
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119
fed2
O
I am wondering if composite reliability is designed for checking reliability or validity ?
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148
oscarwukaka
S
Quartile average question
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1
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122
katxt
U
Help! What analysis should be performed on a dataset like this?
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11
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354
katxt
K
Basic question of Hypothesis and Type I and II errors
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4
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165
Kishore Kumar
M
Std Dev Bounds
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2
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129
mr.novice
S
What are the types of statistical tests/analysis which I can do here ?
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3
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213
slimjim
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Sorry for yet another beginner question...
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1
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154
hlsmith
S
What tests to carry out when all variables are categorical?
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7
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193
slimjim
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Should I consider this variable continuous or discrete?
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2
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161
AngleWyrm
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puzzle
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6
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195
Dason
S
Interpretation Fisher exact test [statistics]
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3
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222
katxt
U
Doubt on a model
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1
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156
fed2
S
Moving Averages
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2
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208
Miner
M
ANOVA after PCA
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1
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152
Karabiner
T
Solved
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1
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194
fed2
J
Probability of test passes
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5
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240
AngleWyrm
A
Variability instead of means?
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7
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273
AlexanderC
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How do I find percentage from two values which are coming from two different population sets that has large difference in population sizes?
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177
roshan2022
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Question about data scale
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6
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267
Karabiner
B
Significant Testing - beginner help
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4
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222
Karabiner
D
Comparing proportions (or comparing performances of diagnostic tools)
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5
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290
hlsmith
K
trasnfer data to same starting point
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0
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172
kajikami
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Do I have to conduct EFA with already established scales?
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152
oscarwukaka
V
Comparing means
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5
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307
Vthompson
A
What method to use for two sample ratio contrasts (small sample)
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1
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170
katxt
O
Reliability and Validity for multiple linear regression analysis !
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156
oscarwukaka
R
How do I estimate a single score from two different sets of score each with different denominator?
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1
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190
fed2
O
How to combine two scale (6 items likert scale and 7 items likert scale) into one index?
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6
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369
oscarwukaka
E
What is the best T test to use for my data?
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3
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260
hlsmith
E
R script
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157
emily2001m
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Correlation vs regression analysis?
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3
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227
hlsmith
S
Mauchly’s test of sphericity with Friedmans??
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2
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171
Karabiner
C
Have I interpreted these results correctly? Please Help!
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7
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262
Chloe Randles
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GLME: how to deal with random effects when comparing data of different subjects
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0
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216
Val
U
When are non-parametric tests more desireable than a scale transformation when working on non-normal data?
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4
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298
fed2
L
significance of a change / pannel size
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184
lolo256
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Help: working on a dataset on logaritmic scale
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1
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238
hlsmith
A
Set Level Prediction in Tennis
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3
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252
Dason
A
Comparing the mean of two tests within subjects with different scores
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6
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262
fed2
K
Transform for one distribution to another
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9
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429
fed2
A
Help Selecting Statistical Test
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0
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166
AshJr11
E
One-way anova and two tailed t-test question
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4
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331
emma13
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